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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Total
--- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 13 | $ 136,835 | $ (127,129) | $ 9,719
Balance, shares at Dec. 31, 2018 | 1,340,583 |  |  |
Amortization of stock option awards |  | 41 |  | 41
Net income loss |  |  | (550) | (550)
Balance at Dec. 31, 2019 | $ 13 | 136,876 | (127,679) | 9,210
Balance, shares at Dec. 31, 2019 | 1,340,583 |  |  |
Settlement of fractional shares in cash |  | (1) |  | (1)
Settlement of fractional shares in cash, shares | (327) |  |  |
Shares issued in acquisition of New Horizon Resources | $ 1 | 239 |  | 240
Shares issued in acquisition of New Horizon Resources, shares | 59,498 |  |  |
Shares issued for acquisition of Liberty County properties | $ 1 | 284 |  | 285
Shares issued for acquisition of Liberty County properties, shares | 67,254 |  |  |
Shares issued for transaction costs in FieldPoint acquisition |  | 29 |  | 29
Shares issued for transaction costs in FieldPoint acquisition, shares | 7,075 |  |  |
Issuance of shares in registered direct offering, net of offering costs of $158 | $ 3 | 1,496 |  | 1,499
Issuance of shares in registered direct offering, net of offering costs of $158 | 315,810 |  |  |
Issuance of shares in underwritten offering, net of offering costs of $482 | $ 11 | 2,957 |  | 2,968
Issuance of shares in underwritten offering, net of offering costs of $482 | 1,150,000 |  |  |
Adjustment of Series A Preferred Stock to redemption value (Note 10) |  | (1,207) |  | (1,207)
Issuance of shares for redemption of Series A Preferred Stock | $ 3 | 1,204 |  | 1,207
Issuance of shares for redemption of Series A Preferred Stock | 328,000 |  |  |
Share-based compensation |  | 211 |  | 211
Exercise of stock warrants | $ 1 | 564 |  | 565
Exercise of stock warrants, shares | 50,000 |  |  |
Net income loss |  |  | (6,439) | (6,439)
Balance at Dec. 31, 2020 | $ 33 | $ 142,652 | $ (134,118) | $ 8,567
Balance, shares at Dec. 31, 2020 | 3,317,893 |  |  |

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