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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited Consolidated Condensed) - USD ($)
$ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance at beginning at Dec. 31, 2021 $ 489 $ 104,423 $ (97,447) $ 7,465
Balance at beginning (in shares) at Dec. 31, 2021 48,893,573      
Issuance of shares and stock option exercises $ 1 72 73
Issuance of shares and stock option exercises (in shares)   133,168      
Stock-based compensation 148 148
Net income (loss) 62 62
Balance at ending at Mar. 31, 2022 $ 490 104,643 (97,385) 7,748
Balance at ending (in shares) at Mar. 31, 2022 49,026,741      
Balance at beginning at Dec. 31, 2021 $ 489 104,423 (97,447) 7,465
Balance at beginning (in shares) at Dec. 31, 2021 48,893,573      
Net income (loss)         (638)
Balance at ending at Sep. 30, 2022 $ 492 105,012 (98,085) 7,419
Balance at ending (in shares) at Sep. 30, 2022 49,216,180      
Balance at beginning at Mar. 31, 2022 $ 490 104,643 (97,385) 7,748
Balance at beginning (in shares) at Mar. 31, 2022 49,026,741      
Issuance of shares and stock option exercises $ 1 33 34
Issuance of shares and stock option exercises (in shares)   110,289      
Stock-based compensation 155 155
Net income (loss) 50 50
Balance at ending at Jun. 30, 2022 $ 491 104,831 (97,335) 7,987
Balance at ending (in shares) at Jun. 30, 2022 49,137,030      
Issuance of shares and stock option exercises $ 1 31 32
Issuance of shares and stock option exercises (in shares)   79,150      
Stock-based compensation 150 150
Net income (loss) (750) (750)
Balance at ending at Sep. 30, 2022 $ 492 105,012 (98,085) 7,419
Balance at ending (in shares) at Sep. 30, 2022 49,216,180      
Balance at beginning at Dec. 31, 2022 $ 493 105,226 (100,070) 5,649
Balance at beginning (in shares) at Dec. 31, 2022 49,320,680      
Issuance of shares and stock option exercises $ 2 99 101
Issuance of shares and stock option exercises (in shares) 199,891      
Stock-based compensation 209 209
Cumulative effect of accounting changes related to expected credit losses (203) (203)
Net income (loss) (1,159) (1,159)
Balance at ending at Mar. 31, 2023 $ 495 105,534 (101,432) 4,597
Balance at ending (in shares) at Mar. 31, 2023 49,520,571      
Balance at beginning at Dec. 31, 2022 $ 493 105,226 (100,070) 5,649
Balance at beginning (in shares) at Dec. 31, 2022 49,320,680      
Net income (loss)         (2,262)
Balance at ending at Sep. 30, 2023 $ 496 105,970 (102,535) 3,931
Balance at ending (in shares) at Sep. 30, 2023 49,627,254      
Balance at beginning at Mar. 31, 2023 $ 495 105,534 (101,432) 4,597
Balance at beginning (in shares) at Mar. 31, 2023 49,520,571      
Issuance of shares and stock option exercises $ 1 33 34
Issuance of shares and stock option exercises (in shares) 68,633      
Stock-based compensation 195 195
Net income (loss) 333 333
Balance at ending at Jun. 30, 2023 $ 496 105,762 (101,099) 5,159
Balance at ending (in shares) at Jun. 30, 2023 49,589,204      
Issuance of shares and stock option exercises 19 19
Issuance of shares and stock option exercises (in shares) 38,050      
Stock-based compensation 189 189
Net income (loss) (1,436) (1,436)
Balance at ending at Sep. 30, 2023 $ 496 $ 105,970 $ (102,535) $ 3,931
Balance at ending (in shares) at Sep. 30, 2023 49,627,254