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Condensed Statements of Changes in Stockholder's 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, 2020 $ 8 $ 80,166 $ (51,023) $ 29,151
Beginning balance, shares at Dec. 31, 2020 8,482      
Stock issued for director services - vested 123 123
Stock issued for director services - vested, shares 11      
Stock issued to escrow account - unvested
Stock issued to escrow account - unvested, shares (24)      
Stock option expense 69 69
Warrants exercised for cash $ 1 2,469 2,470
Warrants exercised for cash, shares 389      
Stock option exercise (cashless) (47) (47)
Stock option exercise (cashless), shares 1      
Net loss (1,251) (1,251)
Ending balance, value at Mar. 31, 2021 $ 9 82,780 (52,274) 30,515
Ending balance, shares at Mar. 31, 2021 8,859      
Stock issued for director services - vested 246 246
Stock issued for director services - vested, shares 12      
Stock issued to escrow account - unvested
Stock issued to escrow account - unvested, shares (2)      
Stock option expense 58 58
Warrants exercised for cash 174 174
Warrants exercised for cash, shares 28      
Stock option exercise (cashless) (34) (34)
Stock option exercise (cashless), shares 1      
Net loss (1,642) (1,642)
Ending balance, value at Jun. 30, 2021 $ 9 83,224 (53,916) 29,317
Ending balance, shares at Jun. 30, 2021 8,898      
Stock issued for director services - vested 270 270
Stock issued for director services - vested, shares 13      
Stock issued to escrow account - unvested
Stock issued to escrow account - unvested, shares (3)      
Stock option expense 49 49
Warrants exercised for cash 41 41
Warrants exercised for cash, shares 6      
Stock option exercise (cashless) (544) (544)
Stock option exercise (cashless), shares 33      
Stock option exercise (for cash) 11 11
Stock option exercise (for cash) , shares 1      
Net loss (1,689) (1,689)
Ending balance, value at Sep. 30, 2021 $ 9 83,051 (55,605) 27,455
Ending balance, shares at Sep. 30, 2021 8,948      
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 escrow account - unvested
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, 2021 $ 9 83,588 (57,619) 25,978
Beginning balance, shares at Dec. 31, 2021 8,972      
Ending balance, value at Sep. 30, 2022 $ 10 99,022 (69,489) 29,543
Ending balance, shares at Sep. 30, 2022 10,096      
Beginning balance, value at Mar. 31, 2022 $ 10 98,235 (59,897) 38,348
Beginning balance, shares at Mar. 31, 2022 10,048      
Stock issued for director services - vested 104 104
Stock issued for director services - vested, shares 5      
Stock issued to escrow account - unvested
Stock issued to escrow account - unvested, shares (5)      
Stock option expense 98 98
Warrants exercised for cash 228 228
Warrants exercised for cash, shares 36      
Net loss (2,803) (2,803)
Ending balance, value at Jun. 30, 2022 $ 10 98,665 (62,700) 35,975
Ending balance, shares at Jun. 30, 2022 10,084      
Stock issued for director services - vested 104 104
Stock issued for director services - vested, shares 5      
Stock issued to escrow account - unvested
Stock issued to escrow account - unvested, shares (5)      
Stock option expense 111 111
Warrants exercised for cash 2 2
Stock option exercise (cashless)
Stock option exercise (cashless), shares 1      
Stock issued for Committed Equity Facility 140 140
Stock issued for Committed Equity Facility , shares 11      
Net loss (6,789) (6,789)
Ending balance, value at Sep. 30, 2022 $ 10 $ 99,022 $ (69,489) $ 29,543
Ending balance, shares at Sep. 30, 2022 10,096