Skip to main content
Recent Quotes
My Watchlist
Indicators
Markets
Stocks
ETFs
Tools
Overview
News
Currencies
International
Treasuries

Alimera Sciences Inc (NQ: ALIM )

3.635 -0.045 (-1.22%)
Streaming Delayed Price Updated: 2:21 PM EDT, May 1, 2024 Add to My Watchlist
Quote
Overview Detailed Quote Charting Historical Prices
News
All News News Headlines Press Releases
Research
Quarterly Reports Insider Filings Other Filings

Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Jun 28, 2013 72.45 75.15 70.65 73.20 137,092 +1.35(+1.88%)
Jun 26, 2013 75.00 75.00 69.30 71.85 0 -2.25(-3.04%)
Jun 25, 2013 73.50 75.00 72.90 74.10 0 +0.60(+0.82%)
Jun 24, 2013 72.15 74.25 70.20 73.50 0 -0.60(-0.81%)
Jun 21, 2013 73.80 75.60 72.75 74.10 8,179 -1.20(-1.59%)
Jun 20, 2013 79.50 79.50 72.75 75.30 0 -5.70(-7.04%)
Jun 19, 2013 81.45 82.20 78.90 81.00 0 +0.15(+0.19%)
Jun 18, 2013 82.20 83.25 79.35 80.85 0 -0.15(-0.19%)
Jun 17, 2013 76.95 85.35 75.00 81.00 0 +5.25(+6.93%)
Jun 14, 2013 72.15 76.95 72.15 75.75 0 +2.55(+3.48%)
Jun 13, 2013 71.40 73.50 71.40 73.20 3,291 +1.20(+1.67%)
Jun 12, 2013 74.25 74.25 71.10 72.00 5,673 -1.20(-1.64%)
Jun 11, 2013 71.85 75.45 69.75 73.20 8,832 +1.20(+1.67%)
Jun 10, 2013 68.70 73.80 67.50 72.00 0 +4.65(+6.90%)
Jun 07, 2013 66.00 67.50 64.47 67.35 0 +2.40(+3.70%)
Jun 06, 2013 64.35 65.25 63.88 64.95 0 +0.45(+0.70%)
Jun 05, 2013 66.00 67.65 63.75 64.50 0 -2.25(-3.37%)
Jun 04, 2013 65.10 69.90 65.10 66.75 0 +1.35(+2.06%)
Jun 03, 2013 65.85 65.85 62.10 65.40 8,454 +0.30(+0.46%)
May 31, 2013 66.00 66.00 63.00 65.10 2,249 -0.90(-1.36%)
May 30, 2013 66.75 66.75 65.40 66.00 0 +1.35(+2.09%)
May 29, 2013 65.40 66.60 63.75 64.65 4,349 -1.20(-1.82%)
May 28, 2013 67.20 67.35 64.67 65.85 1,503 -0.75(-1.13%)
May 24, 2013 67.20 67.20 66.06 66.60 0 +0.15(+0.23%)
May 23, 2013 64.35 66.60 63.27 66.45 0 +0.15(+0.23%)
May 22, 2013 66.30 67.50 63.75 66.30 0 +0.00(+0.00%)
May 21, 2013 63.45 66.75 63.30 66.30 0 +0.60(+0.91%)
May 20, 2013 63.45 66.30 58.80 65.70 0 +3.00(+4.78%)
May 17, 2013 63.75 67.05 57.75 62.70 0 -1.50(-2.34%)
May 16, 2013 70.95 71.69 63.90 64.20 11,586 -2.85(-4.25%)
May 15, 2013 74.25 76.50 65.25 67.05 0 +7.65(+12.88%)
May 13, 2013 47.25 59.70 47.25 59.40 0 +12.75(+27.33%)
May 10, 2013 46.64 47.10 44.85 46.65 0 +1.65(+3.67%)
May 09, 2013 47.10 47.10 45.00 45.00 0 +0.15(+0.33%)
May 08, 2013 45.00 46.65 44.85 44.85 0 -0.60(-1.32%)
May 07, 2013 46.95 47.10 45.21 45.45 0 -0.30(-0.66%)
May 06, 2013 46.65 46.65 45.00 45.75 0 -0.30(-0.65%)
May 03, 2013 44.85 46.80 44.85 46.05 0 +0.45(+0.99%)
May 02, 2013 44.70 47.10 43.05 45.60 0 +1.05(+2.36%)
May 01, 2013 43.20 45.00 42.75 44.55 0 +0.75(+1.71%)
Apr 30, 2013 44.48 44.48 42.90 43.80 0 +0.15(+0.34%)
Apr 29, 2013 45.00 45.02 41.55 43.65 2,415 -1.65(-3.64%)
Apr 26, 2013 43.80 45.30 43.80 45.30 1,148 +0.90(+2.03%)
Apr 25, 2013 45.00 45.00 43.80 44.40 759 -0.15(-0.34%)
Apr 24, 2013 40.80 45.00 40.80 44.55 0 +0.75(+1.71%)
Apr 23, 2013 44.85 45.00 43.71 43.80 537 -1.05(-2.34%)
Apr 22, 2013 44.55 44.85 44.55 44.85 0 +1.05(+2.40%)
Apr 19, 2013 39.90 44.25 39.90 43.80 1,451 +1.80(+4.29%)
Apr 18, 2013 42.60 42.60 41.70 42.00 414 -0.45(-1.06%)
Apr 17, 2013 40.05 42.75 40.05 42.45 775 +1.95(+4.81%)
Apr 16, 2013 40.95 43.35 38.85 40.50 3,467 +0.30(+0.75%)
Apr 15, 2013 40.65 41.85 40.05 40.20 2,868 -1.20(-2.90%)
Apr 12, 2013 42.88 43.35 41.40 41.40 1,406 -1.65(-3.83%)
Apr 11, 2013 42.76 45.00 42.45 43.05 849 -0.90(-2.05%)
Apr 10, 2013 43.35 44.55 43.05 43.95 433 +1.05(+2.45%)
Apr 09, 2013 43.65 44.55 41.70 42.90 1,640 -1.20(-2.72%)
Apr 08, 2013 45.00 45.00 43.20 44.10 738 -0.30(-0.68%)
Apr 05, 2013 44.70 45.00 44.12 44.40 1,864 -0.30(-0.67%)
Apr 04, 2013 45.00 45.00 43.65 44.70 815 -0.15(-0.33%)
Apr 03, 2013 45.00 45.75 44.31 44.85 1,629 -0.30(-0.66%)
Apr 02, 2013 45.15 45.75 45.15 45.15 2,733 -0.30(-0.66%)
Apr 01, 2013 46.65 46.65 45.15 45.45 586 -0.60(-1.30%)
Mar 28, 2013 45.56 46.65 45.00 46.05 1,809 +0.00(+0.00%)
Mar 27, 2013 44.10 46.20 44.10 46.05 2,296 +1.05(+2.33%)
Mar 26, 2013 44.25 46.35 44.25 45.00 798 +1.20(+2.74%)
Mar 25, 2013 45.00 46.65 42.75 43.80 2,949 -1.80(-3.95%)
Mar 22, 2013 45.00 46.35 43.20 45.60 3,255 +1.95(+4.47%)
Mar 21, 2013 42.45 44.85 41.12 43.65 1,635 +0.30(+0.69%)
Mar 20, 2013 43.35 43.95 42.00 43.35 2,332 +0.60(+1.40%)
Mar 19, 2013 42.15 42.75 40.50 42.75 1,037 +1.35(+3.26%)
Mar 18, 2013 43.95 43.95 40.35 41.40 1,967 -2.85(-6.44%)
Mar 15, 2013 45.00 46.80 42.45 44.25 3,402 -0.15(-0.34%)
Mar 14, 2013 43.65 44.40 42.15 44.40 699 -0.15(-0.34%)
Mar 13, 2013 43.20 45.60 40.50 44.55 3,069 +1.35(+3.12%)
Mar 12, 2013 46.05 46.05 43.20 43.20 2,364 -3.15(-6.80%)
Mar 11, 2013 48.00 48.00 45.45 46.35 710 -1.50(-3.13%)
Mar 08, 2013 44.85 47.97 44.70 47.85 1,111 +3.00(+6.69%)
Mar 07, 2013 44.55 45.73 44.55 44.85 1,099 -0.60(-1.32%)
Mar 06, 2013 45.90 48.00 43.80 45.45 2,214 -1.05(-2.26%)
Mar 05, 2013 48.60 50.33 45.90 46.50 6,511 -1.95(-4.02%)
Mar 04, 2013 48.60 48.60 46.15 48.45 1,419 +0.75(+1.57%)
Mar 01, 2013 45.60 48.60 45.60 47.70 3,617 +2.70(+6.00%)
Feb 28, 2013 46.08 47.70 45.00 45.00 2,845 -1.95(-4.15%)
Feb 27, 2013 47.25 48.00 45.16 46.95 3,802 +2.70(+6.10%)
Feb 26, 2013 44.85 45.00 43.20 44.25 1,851 -1.05(-2.32%)
Feb 22, 2013 49.80 50.25 42.75 45.30 10,728 -3.75(-7.65%)
Feb 21, 2013 39.60 49.20 39.45 49.05 11,498 +9.75(+24.81%)
Feb 20, 2013 39.15 43.20 37.50 39.30 2,920 +0.00(+0.00%)
Feb 19, 2013 36.60 39.75 36.30 39.30 3,542 +2.70(+7.38%)
Feb 15, 2013 35.40 37.20 35.40 36.60 2,164 +1.20(+3.39%)
Feb 14, 2013 35.40 35.95 34.50 35.40 1,512 +0.75(+2.16%)
Feb 13, 2013 36.00 36.15 34.50 34.65 3,431 -0.75(-2.12%)
Feb 12, 2013 34.50 37.34 34.20 35.40 4,116 +1.20(+3.51%)
Feb 11, 2013 33.75 36.00 33.75 34.20 688 +0.00(+0.00%)
Feb 08, 2013 33.91 34.95 33.18 34.20 2,758 +0.60(+1.79%)
Feb 07, 2013 31.95 35.55 31.95 33.60 1,284 -1.50(-4.27%)
Feb 06, 2013 36.15 36.15 33.90 35.10 2,466 -1.20(-3.31%)
Feb 04, 2013 36.60 40.95 35.69 36.30 10,444 +1.05(+2.98%)
Feb 01, 2013 28.80 45.15 28.80 35.25 17,101 +5.85(+19.90%)
Jan 31, 2013 27.75 30.75 27.00 29.40 1,925 +1.65(+5.95%)
Jan 30, 2013 26.70 27.90 26.25 27.75 2,752 +1.50(+5.71%)
Jan 29, 2013 25.50 26.85 25.50 26.25 3,250 +0.30(+1.16%)
Jan 28, 2013 25.95 26.70 25.20 25.95 860 +0.45(+1.76%)
Jan 25, 2013 25.84 26.40 25.50 25.50 520 -0.90(-3.41%)
Jan 24, 2013 26.93 26.93 26.10 26.40 252 -0.15(-0.56%)
Jan 23, 2013 25.65 27.00 25.65 26.55 755 +0.45(+1.72%)
Jan 22, 2013 25.95 26.55 25.82 26.10 2,293 +0.60(+2.35%)
Jan 18, 2013 25.35 26.55 25.20 25.50 1,036 -0.30(-1.16%)
Jan 17, 2013 25.65 26.70 25.50 25.80 2,930 +0.15(+0.58%)
Jan 16, 2013 28.04 28.04 25.05 25.65 1,512 +0.15(+0.59%)
Jan 15, 2013 24.90 28.20 24.90 25.50 3,028 +0.00(+0.00%)
Jan 14, 2013 25.50 26.10 25.05 25.50 153 -0.30(-1.16%)
Jan 11, 2013 25.95 27.00 25.65 25.80 909 +0.45(+1.78%)
Jan 10, 2013 27.30 27.75 25.35 25.35 1,131 -1.35(-5.06%)
Jan 09, 2013 25.50 27.00 24.75 26.70 1,285 +0.75(+2.89%)
Jan 08, 2013 26.40 27.60 24.45 25.95 1,540 -0.30(-1.14%)
Jan 07, 2013 24.75 26.85 24.32 26.25 2,473 +1.50(+6.06%)
Jan 04, 2013 25.35 26.25 24.00 24.75 2,574 -1.35(-5.17%)
Jan 03, 2013 24.00 26.55 24.00 26.10 985 +1.65(+6.75%)
Jan 02, 2013 24.60 25.05 23.25 24.45 14,579 +0.75(+3.16%)
Dec 31, 2012 25.20 25.20 23.25 23.70 5,927 -1.50(-5.95%)
Dec 28, 2012 25.65 27.60 24.75 25.20 6,425 -0.30(-1.18%)
Dec 27, 2012 26.25 28.20 25.50 25.50 3,995 -0.75(-2.86%)
Dec 26, 2012 24.75 28.35 24.75 26.25 3,132 +1.05(+4.17%)
Dec 24, 2012 24.60 28.08 24.60 25.20 1,801 +1.20(+5.00%)
Dec 21, 2012 25.95 26.85 24.00 24.00 1,780 -1.95(-7.51%)
Dec 20, 2012 25.95 26.85 24.45 25.95 2,008 +1.05(+4.22%)
Dec 19, 2012 25.65 27.30 22.20 24.90 2,392 +0.15(+0.61%)
Dec 18, 2012 24.90 25.80 22.65 24.75 2,235 +0.90(+3.77%)
Dec 17, 2012 25.80 26.09 23.85 23.85 7,725 -3.45(-12.64%)
Dec 14, 2012 20.85 28.65 20.55 27.30 28,979 +6.15(+29.08%)
Dec 13, 2012 20.70 22.05 20.55 21.15 5,121 +0.75(+3.68%)
Dec 12, 2012 21.15 21.60 18.90 20.40 7,539 -1.20(-5.56%)
Dec 11, 2012 22.65 22.95 20.55 21.60 7,777 -1.65(-7.10%)
Dec 10, 2012 24.30 24.30 23.10 23.25 3,663 -0.90(-3.73%)
Dec 07, 2012 26.40 26.40 23.25 24.15 3,299 -1.80(-6.94%)
Dec 06, 2012 25.80 28.80 25.65 25.95 4,242 +0.30(+1.17%)
Dec 05, 2012 29.55 29.55 25.50 25.65 1,435 -2.40(-8.56%)
Dec 04, 2012 29.55 30.00 27.75 28.05 631 -1.80(-6.03%)
Nov 30, 2012 34.50 34.50 28.05 29.85 22,864 -4.95(-14.22%)
Nov 29, 2012 32.40 35.25 32.25 34.80 1,825 +2.70(+8.41%)
Nov 28, 2012 31.20 33.72 31.16 32.10 1,034 +1.20(+3.88%)
Nov 27, 2012 30.15 31.65 29.85 30.90 1,742 -0.45(-1.44%)
Nov 26, 2012 31.50 32.95 30.00 31.35 2,260 +0.15(+0.48%)
Nov 23, 2012 30.30 31.20 30.30 31.20 683 +0.60(+1.96%)
Nov 21, 2012 30.45 33.60 29.40 30.60 1,532 -0.15(-0.49%)
Nov 20, 2012 31.50 31.50 30.00 30.75 6,611 -0.90(-2.84%)
Nov 19, 2012 31.50 32.25 30.60 31.65 2,396 +1.05(+3.43%)
Nov 16, 2012 32.55 32.55 30.30 30.60 4,125 -1.80(-5.56%)
Nov 15, 2012 33.90 35.10 31.50 32.40 2,761 -1.65(-4.85%)
Nov 14, 2012 34.65 35.25 34.05 34.05 1,526 -0.30(-0.87%)
Nov 13, 2012 34.95 34.95 34.05 34.35 1,375 -0.60(-1.72%)
Nov 12, 2012 34.50 35.85 34.20 34.95 828 +0.00(+0.00%)
Nov 09, 2012 36.00 36.30 33.90 34.95 1,529 -1.35(-3.72%)
Nov 08, 2012 34.65 37.50 34.65 36.30 1,397 +1.50(+4.31%)
Nov 07, 2012 35.25 38.70 34.50 34.80 1,738 -0.60(-1.69%)
Nov 06, 2012 35.40 36.90 34.73 35.40 659 -0.60(-1.67%)
Nov 05, 2012 38.10 38.25 35.02 36.00 2,289 -1.65(-4.38%)
Nov 02, 2012 37.69 38.10 37.50 37.65 281 +0.00(+0.00%)
Nov 01, 2012 38.70 38.70 37.50 37.65 1,474 -1.20(-3.09%)
Oct 31, 2012 38.10 38.85 38.10 38.85 100 +0.45(+1.17%)
Oct 26, 2012 38.10 38.40 38.40 38.40 613 -0.30(-0.78%)
Oct 25, 2012 38.40 39.45 38.10 38.70 254 +0.15(+0.39%)
Oct 24, 2012 41.25 41.25 37.65 38.55 852 -0.15(-0.39%)
Oct 23, 2012 37.65 41.40 37.65 38.70 273 -1.80(-4.44%)
Oct 19, 2012 39.60 41.25 38.55 40.50 2,064 +0.60(+1.50%)
Oct 18, 2012 39.75 41.10 39.75 39.90 1,182 -0.60(-1.48%)
Oct 17, 2012 39.30 41.25 37.65 40.50 558 +1.20(+3.05%)
Oct 16, 2012 38.40 40.94 37.65 39.30 3,240 -0.90(-2.24%)
Oct 15, 2012 41.70 42.60 39.90 40.20 542 -1.65(-3.94%)
Oct 12, 2012 41.10 42.75 40.20 41.85 2,291 +0.75(+1.82%)
Oct 11, 2012 39.45 41.25 39.45 41.10 1,480 +2.10(+5.38%)
Oct 10, 2012 39.00 39.00 37.50 39.00 1,633 +0.60(+1.56%)
Oct 09, 2012 37.35 38.40 37.35 38.40 7,163 +1.05(+2.81%)
Oct 08, 2012 37.65 37.65 37.35 37.35 343 +0.00(+0.00%)
Oct 05, 2012 37.35 37.80 37.35 37.35 4,298 -0.15(-0.40%)
Oct 04, 2012 37.50 37.80 37.35 37.50 723 +0.00(+0.00%)
Oct 03, 2012 37.65 37.95 37.35 37.50 700 +0.15(+0.40%)
Oct 02, 2012 38.25 38.25 37.35 37.35 929 -0.60(-1.58%)
Oct 01, 2012 38.85 38.85 37.35 37.95 1,677 -0.75(-1.94%)
Sep 28, 2012 38.55 39.00 37.50 38.70 1,471 -0.45(-1.15%)
Sep 27, 2012 40.20 40.65 39.00 39.15 2,246 -0.90(-2.25%)
Sep 26, 2012 41.85 41.85 39.15 40.05 1,951 -0.30(-0.74%)
Sep 25, 2012 37.95 40.35 36.60 40.35 2,286 +2.55(+6.75%)
Sep 24, 2012 37.50 38.40 36.30 37.80 1,489 +0.45(+1.20%)
Sep 21, 2012 37.80 38.85 36.90 37.35 2,089 +0.15(+0.40%)
Sep 20, 2012 38.40 38.40 35.56 37.20 2,307 -0.75(-1.98%)
Sep 19, 2012 36.45 38.25 36.15 37.95 1,207 +1.20(+3.27%)
Sep 18, 2012 37.50 37.50 34.80 36.75 1,460 -0.60(-1.61%)
Sep 17, 2012 36.45 37.35 36.00 37.35 763 +0.60(+1.63%)
Sep 14, 2012 36.60 37.05 35.25 36.75 1,184 +0.00(+0.00%)
Sep 13, 2012 35.55 37.05 34.35 36.75 746 +0.75(+2.08%)
Sep 12, 2012 35.70 36.30 33.94 36.00 1,084 -0.45(-1.23%)
Sep 11, 2012 35.25 36.45 34.12 36.45 1,466 +1.05(+2.97%)
Sep 10, 2012 35.70 36.30 35.25 35.40 2,545 -0.75(-2.07%)
Sep 07, 2012 36.60 37.50 35.11 36.15 2,877 -0.60(-1.63%)
Sep 06, 2012 34.80 36.75 33.23 36.75 1,388 +1.65(+4.70%)
Sep 05, 2012 34.95 36.24 33.75 35.10 1,512 +0.15(+0.43%)
Sep 04, 2012 36.60 36.60 34.50 34.95 1,927 -1.05(-2.92%)
Aug 31, 2012 34.50 36.60 34.50 36.00 7,992 +1.05(+3.00%)
Aug 30, 2012 34.95 36.30 34.95 34.95 653 +0.45(+1.30%)
Aug 29, 2012 34.05 35.10 34.05 34.50 499 -0.30(-0.86%)
Aug 27, 2012 32.85 35.10 32.25 34.80 1,735 +1.80(+5.45%)
Aug 24, 2012 32.85 34.71 32.25 33.00 767 -0.45(-1.35%)
Aug 23, 2012 33.00 34.95 33.00 33.45 351 +0.60(+1.83%)
Aug 22, 2012 34.05 36.83 30.98 32.85 2,135 -1.35(-3.95%)
Aug 21, 2012 33.90 34.65 33.75 34.20 1,827 +0.45(+1.33%)
Aug 20, 2012 34.35 34.50 32.25 33.75 850 -0.60(-1.75%)
Aug 17, 2012 33.75 34.95 32.70 34.35 992 +0.00(+0.00%)
Aug 16, 2012 32.70 36.00 32.40 34.35 5,434 +1.65(+5.05%)
Aug 15, 2012 31.95 33.30 31.95 32.70 760 +0.60(+1.87%)
Aug 14, 2012 32.70 34.20 31.95 32.10 1,359 -0.60(-1.83%)
Aug 13, 2012 33.60 33.60 32.55 32.70 2,586 -1.50(-4.39%)
Aug 10, 2012 33.90 34.20 32.25 34.20 3,864 +0.60(+1.79%)
Aug 09, 2012 36.60 36.60 33.30 33.60 4,999 -2.50(-6.91%)
Aug 08, 2012 40.20 40.20 34.05 36.10 8,497 -5.90(-14.06%)
Aug 07, 2012 41.10 42.90 41.10 42.00 2,331 +0.60(+1.45%)
Aug 06, 2012 40.35 41.55 40.35 41.40 1,363 +0.90(+2.22%)
Aug 03, 2012 41.55 41.70 40.35 40.50 1,304 +0.15(+0.37%)
Aug 02, 2012 42.90 43.50 40.35 40.35 1,547 -2.55(-5.94%)
Aug 01, 2012 43.50 44.40 42.90 42.90 1,517 -0.45(-1.04%)
Jul 31, 2012 43.50 44.10 43.22 43.35 439 -0.15(-0.34%)
Jul 30, 2012 43.80 44.25 43.20 43.50 776 -0.15(-0.34%)
Jul 27, 2012 44.10 44.55 42.75 43.65 1,592 -0.45(-1.02%)
Jul 26, 2012 46.05 48.03 43.20 44.10 3,220 +0.75(+1.73%)
Jul 25, 2012 45.00 46.05 43.20 43.35 2,230 -1.05(-2.36%)
Jul 24, 2012 44.55 45.75 42.75 44.40 1,983 +0.00(+0.00%)
Jul 23, 2012 45.45 45.45 42.38 44.40 2,923 -0.90(-1.99%)
Jul 20, 2012 41.10 45.45 41.10 45.30 3,297 +4.20(+10.22%)
Jul 19, 2012 42.15 47.25 40.80 41.10 6,850 -0.30(-0.72%)
Jul 18, 2012 46.50 49.19 41.40 41.40 9,010 -3.15(-7.07%)
Jul 17, 2012 45.15 45.60 43.95 44.55 2,465 -0.45(-1.00%)
Jul 16, 2012 44.70 45.60 43.35 45.00 5,190 +1.05(+2.39%)
Jul 13, 2012 43.05 44.85 43.05 43.95 759 +0.15(+0.34%)
Jul 12, 2012 42.00 43.95 41.25 43.80 2,376 +1.42(+3.36%)
Jul 11, 2012 43.50 43.50 40.80 42.38 3,256 -1.27(-2.92%)
Jul 10, 2012 44.25 44.54 42.88 43.65 1,937 -0.52(-1.19%)
Jul 09, 2012 45.00 45.15 42.90 44.17 5,153 -2.03(-4.38%)
Jul 06, 2012 44.40 46.20 43.95 46.20 3,343 +1.80(+4.05%)
Jul 05, 2012 45.60 45.60 43.80 44.40 3,767 -1.20(-2.63%)
Jul 03, 2012 45.30 45.60 44.70 45.60 163 +0.00(+0.00%)
Data & News supplied by www.cloudquote.io
Stock quotes supplied by Barchart
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms and Conditions.