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v3.23.2

Consolidated Statements of Changes in Stockholders' Equity - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Preferred Stock [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Balance (in shares) | 0 | 0 | 0 |
Balance | $ 0 | $ 0 | $ 0 |
Sale of Series C preferred stock to related parties (in shares) |  | 10,000 | 10,000 |
Sale of Series C preferred stock to related parties |  | $ 5,000 | $ 5,000 |
Conversion of Series C preferred stock to common stock (in shares) |  |  | (10,000) |
Conversion of Series C preferred stock to common stock |  |  | $ (5,000) |
Conversion of Series C preferred stock to common stock (in shares) |  |  | 10,000 |
Stock-based compensation expense and vesting of restricted stock units (in shares) |  | 0 | 0 |
Stock-based compensation expense and vesting of restricted stock units |  |  | $ 0 |
Unrealized loss on marketable securities |  | $ 0 | 0 |
Net loss |  | 0 | $ 0 |
Vesting of restricted stock units |  | $ 0 |  |
Balance (in shares) |  | 10,000 | 0 | 0
Balance |  | $ 5,000 | $ 0 | $ 0
Unrealized loss on marketable securities |  | $ 0 | $ 0 |
Common Stock [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Balance (in shares) | 2,039,557 | 2,038,185 | 2,038,185 | 1,280,207
Balance | $ 2,040 | $ 2,038 | $ 2,038 | $ 1,280
Sale of Series C preferred stock to related parties (in shares) |  |  | 0 |
Sale of Series C preferred stock to related parties |  | 0 | $ 0 |
Conversion of Series C preferred stock to common stock (in shares) |  |  | (200) |
Conversion of Series C preferred stock to common stock (in shares) |  |  | 200 |
Stock-based compensation expense and vesting of restricted stock units (in shares) | 468 |  | 1,172 |
Stock-based compensation expense and vesting of restricted stock units |  |  | $ 2 |
Unrealized loss on marketable securities | $ 0 | 0 | 0 |
Net loss | 0 | 0 | $ 0 | 0
Vesting of restricted stock units | $ 0 | $ 207 |  | $ 207
Sale of common stock (in shares) |  |  |  | 673,171
Sale of common stock |  |  |  | $ 673
Issuance of common stock upon exercise of warrants (in shares) |  |  |  | 84,600
Issuance of common stock upon exercise of warrants |  |  |  | $ 85
Stock-based compensation expense |  |  |  | $ 0
Balance (in shares) | 2,040,025 | 2,038,392 | 2,039,557 | 2,038,185
Balance | $ 2,040 | $ 2,038 | $ 2,040 | $ 2,038
Unrealized loss on marketable securities | 0 | 0 | 0 |
Additional Paid-in Capital [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Balance | 165,847,590 | 164,914,540 | 164,914,540 | 130,722,286
Sale of Series C preferred stock to related parties |  | 0 | 0 |
Conversion of Series C preferred stock to common stock |  |  | 5,000 |
Stock-based compensation expense and vesting of restricted stock units |  |  | 928,050 |
Unrealized loss on marketable securities | 0 | 0 | 0 |
Net loss | 0 | 0 | 0 | 0
Vesting of restricted stock units | 121,371 | 278,131 |  | 0
Sale of common stock |  |  |  | 31,093,629
Issuance of common stock upon exercise of warrants |  |  |  | 2,201,365
Stock-based compensation expense |  |  |  | 897,260
Balance | 165,968,961 | 165,192,671 | 165,847,590 | 164,914,540
Unrealized loss on marketable securities | 0 | 0 | 0 |
Retained Earnings [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Balance | (145,596,539) | (130,005,111) | (130,005,111) | (105,909,384)
Sale of Series C preferred stock to related parties |  | 0 | 0 |
Stock-based compensation expense and vesting of restricted stock units |  |  | 0 |
Unrealized loss on marketable securities | 0 | 0 | 0 |
Net loss | (4,092,384) | (4,526,641) | (15,591,428) | (24,095,727)
Vesting of restricted stock units | 0 | 0 |  | 0
Sale of common stock |  |  |  | 0
Issuance of common stock upon exercise of warrants |  |  |  | 0
Stock-based compensation expense |  |  |  | 0
Balance | (149,688,923) | (134,531,752) | (145,596,539) | (130,005,111)
Unrealized loss on marketable securities | 0 | 0 | 0 |
AOCI Attributable to Parent [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Balance | (35,375) | 0 | 0 |
Sale of Series C preferred stock to related parties |  | 0 | 0 |
Stock-based compensation expense and vesting of restricted stock units |  |  | 0 |
Unrealized loss on marketable securities | 32,252 | (49,658) | (35,375) |
Net loss | 0 | 0 | 0 |
Vesting of restricted stock units | 0 | 0 |  |
Balance | (3,123) | (49,658) | (35,375) | 0
Unrealized loss on marketable securities | 32,252 | (49,658) | (35,375) |
Balance | 20,217,716 | 34,911,467 | 34,911,467 | 24,814,182
Sale of Series C preferred stock to related parties |  | 5,000 | 5,000 |
Conversion of Series C preferred stock to common stock |  |  | (5,000) | 0
Stock-based compensation expense and vesting of restricted stock units |  |  | 928,052 |
Unrealized loss on marketable securities | 32,252 | (49,658) | (35,375) | 0
Net loss | (4,092,384) | (4,526,641) | (15,591,428) | (24,095,727)
Vesting of restricted stock units | 121,371 | 278,131 |  | 0
Sale of common stock |  |  |  | 31,094,302
Issuance of common stock upon exercise of warrants |  |  |  | 2,201,450
Stock-based compensation expense |  |  |  | 897,260
Balance | 16,278,955 | 30,618,299 | 20,217,716 | 34,911,467
Unrealized loss on marketable securities | $ 32,252 | $ (49,658) | $ (35,375) | $ 0

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