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Consolidated Statements of Changes in Stockholders' Equity - USD ($) | Common Stock | Additional Paid-in Capital | Accumulated OCI | Accumulated Deficit | Total
--- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2018 | 8,411,245 |  |  |  |
Balance at Dec. 31, 2018 | $ 84,113 | $ 94,926,560 | $ (186,485) | $ (70,407,218) | $ 24,416,970
Common stock repurchased, shares | (86,373) |  |  |  |
Common stock repurchased, amount | $ (865) | (364,820) |  |  | (365,685)
Issuance of common stock restricted (in shares) | 66,274 |  |  |  |
Issuance of common stock restricted | $ 663 | (663) |  |  | 0
Issuance of common stock through at-the-market offering program, net of issuance costs of $333,305 amount |  |  |  |  | 0
Cancellation of common stock, shares | (5,000) |  |  |  |
Cancellation of common stock, amount | $ (50) | 50 |  |  | 0
Stock compensation expense restricted |  | 381,251 |  |  | 381,251
Stock compensation expense non-qualified stock options |  | 336,736 |  |  | 336,736
Foreign currency translation gain |  |  | (56,109) |  | (56,109)
Net loss |  |  |  | 226,255 | 226,255
Balance (in shares) at Dec. 31, 2019 | 8,386,146 |  |  |  |
Balance at Dec. 31, 2019 | $ 83,861 | 95,279,114 | (242,594) | (70,180,963) | 24,939,418
Reverse split adjustment |  | (75,475) | 75,475 |  | 0
Issuance of shares for rounding on the reverse split, shares | 2,546 |  |  |  |
Issuance of shares for rounding on the reverse split, amount | $ 2 | (2) |  |  | 0
Common stock repurchased, shares | (2,416) |  |  |  |
Common stock repurchased, amount | $ (2) | (10,111) |  |  | (10,113)
Issuance of common stock options exercises (in shares) | 32,803 |  |  |  |
Issuance of common stock options exercises | $ 33 | 4,966 |  |  | 4,999
Issuance of common stock restricted (in shares) | 58,123 |  |  |  |
Issuance of common stock restricted | $ 58 | (58) |  |  | 0
Issuance of common stock through at-the-market offering program, net of issuance costs of $333,305, shares | 399,313 |  |  |  |
Issuance of common stock through at-the-market offering program, net of issuance costs of $333,305 amount | $ (399) | (4,345,076) |  |  | 4,345,475
Stock compensation expense restricted |  | 704,973 |  |  | 704,973
Stock compensation expense non-qualified stock options |  | 105,308 |  |  | 105,308
Foreign currency translation gain |  |  | 137,979 |  | 137,979
Net loss |  |  |  | 10,323,684 | 10,323,684
Balance (in shares) at Dec. 31, 2020 | 8,876,515 |  |  |  |
Balance at Dec. 31, 2020 | $ 8,876 | $ 100,504,741 | $ (104,615) | $ (59,857,279) | $ 40,551,723

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