Preferred stock, 0.01 par value 10,000,000 shares authorized 3,750 designated series a, 0 shares issued and outstanding 10,000 designated series b, 0 shares issued and outstanding 10,000 shares designated series c, 0 shares issued and outstanding 20,000 shares designated series d, 7 shares issued and outstanding 1,280 shares designated series e, 0 shares issued and outstanding 3,908 shares designated series f, 420 issued and outstanding at june30, 2026 and december31, 2025, respectively
4
4
4
4
Common stock, 0.01 par value 150,000,000 shares authorized 4,427,167 and 3,761,739 shares issued and outstanding at june30, 2026 and december31, 2025, respectively
281,943
277,606
275,289
272,006
Additional paid-in capital
175,544,810
170,521,007
170,314,656
170,083,195
Accumulated deficit
-158,714,270
-156,635,260
-154,217,276
-147,700,755
Accumulated other comprehensive loss
-255,798
-228,796
-246,137
-243,708
Total stockholders equity
16,856,689
13,934,561
16,126,536
22,410,742
Total liabilities and stockholders equity
23,776,090
21,227,089
24,253,300
29,863,454
Unit: Dollar. Numbers labeled with * are estimated quarterly values.
Time Plot
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