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Condensed Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2021 $ 9 $ 83,588 $ (57,619) $ 25,978
Beginning balance, shares at Dec. 31, 2021 8,972      
Stock issued for director services - vested 107 107
Stock issued for director services - vested, shares 5      
Stock issued to (released from) escrow account - unvested $ 0 0 0 0
Stock issued to escrow account - unvested, shares 2      
Stock issued for acquisition $ 1 14,358 14,359
Stock issued for acquisition , shares 1,055      
Stock option expense 94 94
Warrants exercised for cash 88 88
Warrants exercised for cash, shares 14      
Net loss (2,278) (2,278)
Ending balance, value at Mar. 31, 2022 $ 10 98,235 (59,897) 38,348
Ending balance, shares at Mar. 31, 2022 10,048      
Beginning balance, value at Dec. 31, 2022 $ 10 100,498 (77,301) 23,207
Beginning balance, shares at Dec. 31, 2022 10,178      
Stock issued for director services - vested 76 76
Stock issued for director services - vested, shares 6      
Stock issued to (released from) escrow account - unvested $ 0 0 0 0
Stock issued to escrow account - unvested, shares (6)      
Stock-based compensation to consultants 1,704 1,704
Stock-based compensation to consultants, shares 6      
Employee stock-based compensation expense 438 438
Warrants exercised for cash 100 100
Warrants exercised for cash, shares 16      
Sale of stock under Committed Equity Facility 158 158
Sale of stock under Committed Equity Facility, shares 38      
Net loss (3,831) (3,831)
Ending balance, value at Mar. 31, 2023 $ 10 $ 102,974 $ (81,132) $ 21,852
Ending balance, shares at Mar. 31, 2023 10,238