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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Previously Reported [Member] Common Stock [Member] | Previously Reported [Member] Additional Paid-in Capital [Member] | Previously Reported [Member] Treasury Stock [Member] | Previously Reported [Member] Retained Earnings [Member] | Previously Reported [Member] AOCI Attributable to Parent [Member] | Previously Reported [Member] | Revision of Prior Period, Error Correction, Adjustment [Member] Common Stock [Member] | Revision of Prior Period, Error Correction, Adjustment [Member] Additional Paid-in Capital [Member] | Revision of Prior Period, Error Correction, Adjustment [Member] Treasury Stock [Member] | Revision of Prior Period, Error Correction, Adjustment [Member] Retained Earnings [Member] | Revision of Prior Period, Error Correction, Adjustment [Member] AOCI Attributable to Parent [Member] | Revision of Prior Period, Error Correction, Adjustment [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Total stockholders' equity at Jan. 31, 2018 | $ 77 | $ 56,304 |  | $ (3,103) | $ (1,466) | $ 51,812 |  |  |  | $ (638) |  | $ (638) | $ 77 | $ 56,304 |  | $ (3,741) | $ (1,466) | $ 51,174
Net loss |  |  |  |  |  | (529) |  |  |  |  |  |  |  |  |  | (550) |  | (550)
Common stock issued under stock plans, net of shares used for tax withholding |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1,324 |  |  |  | 1,326
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,165 |  |  |  | 1,165
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (341) | (341)
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,170) | (1,170)
Tax expense on above items |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 97 | 97
Total stockholders' equity at Jan. 31, 2019 |  |  |  |  |  | $ 52,360 |  |  |  |  |  |  | $ 79 | 58,793 |  | (4,291) | (2,880) | 51,701
Balance beginning of year (in shares) at Jan. 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  | 7,716,542 |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 137,780 |  |  |  |  |
Balance end of year (in shares) at Jan. 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  | 7,854,322 |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,576 |  | 3,576
Common stock issued under stock plans, net of shares used for tax withholding |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 220 |  |  |  | 221
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,011 |  |  |  | 1,011
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (439) | (439)
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (441) | (441)
Tax expense on above items |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total stockholders' equity at Jan. 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  | $ 80 | $ 60,024 |  | $ (715) | $ (3,760) | $ 55,629
Shares issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 193,684 |  |  |  |  |
Balance end of year (in shares) at Jan. 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  | 8,048,006 |  |  |  |  |

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