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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Preferred Stock Offerings [Member] Common Stock [Member] | Preferred Stock Offerings [Member] Preferred Stock [Member] | Preferred Stock Offerings [Member] Additional Paid-in Capital [Member] | Preferred Stock Offerings [Member] Treasury Stock [Member] | Preferred Stock Offerings [Member] Retained Earnings [Member] | Preferred Stock Offerings [Member] AOCI Attributable to Parent [Member] | Preferred Stock Offerings [Member] | Common Stock Offerings [Member] Common Stock [Member] | Common Stock Offerings [Member] Preferred Stock [Member] | Common Stock Offerings [Member] Additional Paid-in Capital [Member] | Common Stock Offerings [Member] Treasury Stock [Member] | Common Stock Offerings [Member] Retained Earnings [Member] | Common Stock Offerings [Member] AOCI Attributable to Parent [Member] | Common Stock Offerings [Member] | Common Stock [Member] | Preferred Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,681 | 1,038 |  |  |  |  |
Balances (in shares) at Jan. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,681 | 1,038 |  |  |  |  |
Balances at Jan. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 23,104 | $ 128,241 | $ (16,860) | $ (99,870) | $ (4,356) | $ 30,416
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (3,984) | 0 | (3,984)
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 57 | 57
Restricted stock issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 | 0 |  |  |  |  |
Restricted stock issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 11 | 0 | 0 | 0 | 11
Restricted stock surrendered for tax withholding |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | (2) | 0 | 0 | (2)
Preferred stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (584) | 0 | (584)
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 109 | 0 | 0 | 0 | 109
Stock offering (in shares) | 0 | 21 |  |  |  |  |  | 18 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Stock offering | $ 0 | $ 503 | $ 0 | $ 0 | $ 0 | $ 0 | $ 503 | $ 0 | $ 0 | $ 42 | $ 0 | $ 0 | $ 0 | $ 42 |  |  |  |  |  |  |
Balances (in shares) at Apr. 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,059 |  |  |  |  |
Balances at Apr. 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 23,607 | 128,403 | (16,862) | (104,438) | (4,299) | 26,568
Balances (in shares) at Jan. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,681 | 1,038 |  |  |  |  |
Balances at Jan. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 23,104 | 128,241 | (16,860) | (99,870) | (4,356) | 30,416
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,222)
Balances (in shares) at Oct. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,250 |  |  |  |  |
Balances at Oct. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 28,248 | 128,702 | (16,862) | (111,046) | (4,339) | 24,860
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,059 |  |  |  |  |
Balances (in shares) at Apr. 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,059 |  |  |  |  |
Balances at Apr. 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 23,607 | 128,403 | (16,862) | (104,438) | (4,299) | 26,568
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (2,660) | 0 | (2,660)
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | 0 | (23) | (23)
Preferred stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (682) | 0 | (682)
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 115 | 0 | 0 | 0 | 115
Stock offering (in shares) | 0 | 164 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock offering | $ 0 | $ 3,999 | $ 0 | $ 0 | $ 0 | $ 0 | $ 3,999 | $ 0 | $ 0 | $ 1 | $ 0 | $ 0 | $ 0 | $ 1 |  |  |  |  |  |  |
Balances (in shares) at Jul. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,223 |  |  |  |  |
Balances at Jul. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 27,606 | 128,519 | (16,862) | (107,780) | (4,322) | 27,318
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,223 |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | (2,578) | 0 | (2,578)
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | 0 | (17) | (17)
Preferred stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (688) | 0 | (688)
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 183 | 0 | 0 | 0 | 183
Stock offering (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 27 |  |  |  |  |
Stock offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 642 | 0 |  |  |  | 642
Balances (in shares) at Oct. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,250 |  |  |  |  |
Balances at Oct. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 28,248 | 128,702 | (16,862) | (111,046) | (4,339) | 24,860
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,704 | 1,250 |  |  |  |  |
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,705,000 | 1,683,000 |  |  |  |  |
Balances (in shares) at Jan. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,705,000 | 1,683,000 |  |  |  |  |
Balances at Jan. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | 128,926 | (16,862) | (117,856) | (1,881) | 30,263
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (2,419) | 0 | (2,419)
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | (3) | (3)
Restricted stock issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 | 0 |  |  |  |  |
Restricted stock issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0 | 0
Restricted stock surrendered for tax withholding |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | (1) | 0 | 0 | (1)
Preferred stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (947) | 0 | (947)
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 236 | 0 | 0 | 0 | 236
Balances (in shares) at Apr. 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,715,000 | 1,683,000 |  |  |  |  |
Balances at Apr. 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | 129,162 | (16,863) | (121,222) | (1,884) | 27,129
Balances (in shares) at Jan. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,705,000 | 1,683,000 |  |  |  |  |
Balances at Jan. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | 128,926 | (16,862) | (117,856) | (1,881) | 30,263
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,498)
Balances (in shares) at Oct. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,721,000 | 1,683,000 |  |  |  |  |
Balances at Oct. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | 129,450 | (16,863) | (128,301) | 33 | 22,255
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,715,000 | 1,683,000 |  |  |  |  |
Balances (in shares) at Apr. 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,715,000 | 1,683,000 |  |  |  |  |
Balances at Apr. 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | 129,162 | (16,863) | (121,222) | (1,884) | 27,129
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 | (1,920) | 0 | (1,920)
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 300 | 300
Restricted stock issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 | 0 |  |  |  |  |
Restricted stock issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0 | 0
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 152 | 0 | 0 | 0 | 152
Balances (in shares) at Jul. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,720,000 | 1,683,000 |  |  |  |  |
Balances at Jul. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | 129,314 | (16,863) | (123,142) | (1,584) | 25,661
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,720,000 | 1,683,000 |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | (5,159) | 0 | (5,159)
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 1,617 | 1,617
Restricted stock issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 | 0 |  |  |  |  |
Restricted stock issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0 | 0
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 136 | 0 | 0 | 0 | 136
Balances (in shares) at Oct. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,721,000 | 1,683,000 |  |  |  |  |
Balances at Oct. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157 | $ 37,779 | $ 129,450 | $ (16,863) | $ (128,301) | $ 33 | $ 22,255
Balances (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,721,000 | 1,683,000 |  |  |  |  |

X
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