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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Common Class A [Member]
Common Stock [Member]
Common Class B [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Common Class A [Member]
Common Class B [Member]
Total
Balance (in shares) at Jan. 31, 2018 16,605 3,537 (892)            
Balance at Jan. 31, 2018 $ 16 $ 4 $ (12,461) $ 200,456 $ (75,559) $ (6,828)     $ 105,628
Cumulative effect of the adoption of ASC606 and ASU2016-16 at Jan. 31, 2018 22,125     22,125
Adjusted balance (in shares) at Jan. 31, 2018 16,605 3,537 (892)            
Adjusted balance at Jan. 31, 2018 $ 16 $ 4 $ (12,461) 200,456 (53,434) (6,828)     127,753
Net (loss) income         1,397   $ 1,196 $ 201 1,397
Foreign currency translation adjustments           (510)     (510)
Stock award exercises (in shares)     167            
Stock award exercises     $ 2,495 (6,391)       (3,896)
Stock compensation expense       2,106         2,106
Dividends declared ($0.072 and $0.06 per Class A and Class B share, respectively)         (1,359)       (1,359)
Restricted stock (in shares)   7            
Restricted stock     $ (69) (113)       (182)
Balance (in shares) at Apr. 30, 2018 16,605 3,537 (718)            
Balance at Apr. 30, 2018 $ 16 $ 4 $ (10,035) 196,058 (53,396) (7,338)     125,309
Balance (in shares) at Jan. 31, 2019 16,605 3,537 (515)            
Balance at Jan. 31, 2019 $ 16 $ 4 $ (7,350) 196,723 (48,485) (7,661)     133,247
Net (loss) income         (3,234)   $ (2,774) $ (460) (3,234)
Foreign currency translation adjustments           (263)     (263)
Stock award exercises (in shares)     3            
Stock award exercises     $ 87 (144)       (57)
Stock compensation expense       2,304         2,304
Dividends declared ($0.072 and $0.06 per Class A and Class B share, respectively)         (1,374)       (1,374)
Restricted stock (in shares)   7            
Restricted stock     $ 41 (219)       (178)
Adoption of ASU2016-02, Leases (Topic 842) | Accounting Standards Update 2016-02 [Member] (173)     (173)
Balance (in shares) at Apr. 30, 2019 16,605 3,537 (505)            
Balance at Apr. 30, 2019 $ 16 $ 4 $ (7,222) $ 198,664 $ (53,266) $ (7,924)     $ 130,272