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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) | Total | Common Stock | Additional Paid in Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2020 |  | 98,035,829 |  |  |
Beginning balance at Dec. 31, 2020 | $ 25,289,114 | $ 98,036 | $ 161,541,448 | $ (136,350,370) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (2,147,268) |  |  | (2,147,268) |
Stock-based compensation | 394,870 |  | 394,870 |  |
Stock issued for vested restricted stock awards (in shares) |  | 1,467,465 |  |  |
Stock issued for vested restricted stock awards | 0 | $ 1,467 | (1,467) |  |
Shares withheld for taxes on vested restricted stock | (161,244) |  | (161,244) |  |
Proceeds from exercise of options | 1,569 |  | 1,569 |  |
Sale of common stock, net (in shares) |  | 19,015,151 |  |  |
Sale of common stock, net | 13,137,500 | $ 19,016 | 13,118,484 |  |
Ending balance (in shares) at Mar. 31, 2021 |  | 118,518,445 |  |  |
Ending balance at Mar. 31, 2021 | 36,514,541 | $ 118,519 | 174,893,660 | (138,497,638) |
Beginning balance (in shares) at Dec. 31, 2020 |  | 98,035,829 |  |  |
Beginning balance at Dec. 31, 2020 | 25,289,114 | $ 98,036 | 161,541,448 | (136,350,370) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (6,359,663) |  |  |  |
Unrealized gain (loss) on debt securities | 0 |  |  |  |
Ending balance (in shares) at Sep. 30, 2021 |  | 118,747,447 |  |  |
Ending balance at Sep. 30, 2021 | 33,369,062 | $ 118,748 | 175,960,347 | (142,710,033) |
Beginning balance (in shares) at Mar. 31, 2021 |  | 118,518,445 |  |  |
Beginning balance at Mar. 31, 2021 | 36,514,541 | $ 118,519 | 174,893,660 | (138,497,638) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (2,382,127) |  |  | (2,382,127) |
Stock-based compensation | 557,602 |  | 557,602 |  |
Ending balance (in shares) at Jun. 30, 2021 |  | 118,518,445 |  |  |
Ending balance at Jun. 30, 2021 | 34,690,016 | $ 118,519 | 175,451,262 | (140,879,765) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (1,830,268) |  |  | (1,830,268) |
Unrealized gain (loss) on debt securities | 0 |  |  |  |
Stock-based compensation | 613,544 |  | 613,544 |  |
Stock issued for vested restricted stock awards (in shares) |  | 229,002 |  |  |
Stock issued for vested restricted stock awards | 0 | $ 229 | (229) |  |
Shares withheld for taxes on vested restricted stock | (110,805) |  | (110,805) |  |
Stock warrants issued for referral agreement | 6,575 |  | 6,575 |  |
Ending balance (in shares) at Sep. 30, 2021 |  | 118,747,447 |  |  |
Ending balance at Sep. 30, 2021 | 33,369,062 | $ 118,748 | 175,960,347 | (142,710,033) |
Beginning balance (in shares) at Dec. 31, 2021 |  | 118,747,447 |  |  |
Beginning balance at Dec. 31, 2021 | 32,807,995 | $ 118,748 | 176,586,529 | (143,951,019) | $ 53,737
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (2,089,263) |  |  | (2,089,263) |
Unrealized gain (loss) on debt securities | (98,156) |  |  |  | (98,156)
Stock-based compensation | 671,158 |  | 671,158 |  |
Stock issued for vested restricted stock awards (in shares) |  | 1,059,755 |  |  |
Stock issued for vested restricted stock awards | 0 | $ 1,060 | (1,060) |  |
Shares withheld for taxes on vested restricted stock | (128,520) |  | (128,520) |  |
Stock warrants issued for referral agreement | 12,483 |  | 12,483 |  |
Ending balance (in shares) at Mar. 31, 2022 |  | 119,807,202 |  |  |
Ending balance at Mar. 31, 2022 | 31,175,697 | $ 119,808 | 177,140,590 | (146,040,282) | (44,419)
Beginning balance (in shares) at Dec. 31, 2021 |  | 118,747,447 |  |  |
Beginning balance at Dec. 31, 2021 | 32,807,995 | $ 118,748 | 176,586,529 | (143,951,019) | 53,737
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (9,129,756) |  |  |  |
Unrealized gain (loss) on debt securities | (186,239) |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  | 120,137,124 |  |  |
Ending balance at Sep. 30, 2022 | 25,214,581 | $ 120,138 | 178,307,716 | (153,080,771) | (132,502)
Beginning balance (in shares) at Mar. 31, 2022 |  | 119,807,202 |  |  |
Beginning balance at Mar. 31, 2022 | 31,175,697 | $ 119,808 | 177,140,590 | (146,040,282) | (44,419)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (3,229,927) |  |  | (3,229,927) |
Unrealized gain (loss) on debt securities | (124,253) |  |  |  | (124,253)
Stock-based compensation | 684,376 |  | 684,376 |  |
Stock issued for vested restricted stock awards (in shares) |  | 66,666 |  |  |
Stock issued for vested restricted stock awards | 0 | $ 66 | (66) |  |
Stock warrants issued for referral agreement | 462 |  | 462 |  |
Ending balance (in shares) at Jun. 30, 2022 |  | 119,873,868 |  |  |
Ending balance at Jun. 30, 2022 | 28,506,355 | $ 119,874 | 177,825,362 | (149,270,209) | (168,672)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (3,810,562) |  |  | (3,810,562) |
Unrealized gain (loss) on debt securities | 36,170 |  |  |  | 36,170
Stock-based compensation | 535,458 |  | 535,458 |  |
Stock issued for vested restricted stock awards (in shares) |  | 263,256 |  |  |
Stock issued for vested restricted stock awards | 0 | $ 264 | (264) |  |
Shares withheld for taxes on vested restricted stock | (68,372) |  | (68,372) |  |
Stock warrants issued for referral agreement | 15,532 |  | 15,532 |  |
Ending balance (in shares) at Sep. 30, 2022 |  | 120,137,124 |  |  |
Ending balance at Sep. 30, 2022 | $ 25,214,581 | $ 120,138 | $ 178,307,716 | $ (153,080,771) | $ (132,502)

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