Stock-Based Compensation (Restricted Stock Units) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jan. 31, 2020	Jan. 31, 2019
Summary of restricted stock and stock unit awards
Unrecognized compensation at cost	$ 2,700
Restricted Stock Units [Member]
Summary of restricted stock and stock unit awards
Granted	547,385	55,555
Expense for 12 months ended	$ 924	$ 907
Restricted Stock Units
Outstanding at beginning of year	501,155	692,404
Granted	547,385	55,555
Vested	(223,555)	(226,804)
Forfeited	(84,000)	(20,000)
Outstanding at end of year	740,985	501,155
Weighted- average fair value of restricted stock units
Outstanding at beginning of year	$ 4.44	$ 4.25
Granted	4.38	4.49
Vested	4.45	4.63
Forfeited	4.51	4.01
Outstanding at end of year	$ 4.54	$ 4.44
2011 Plan [Member] \| Restricted Stock Units [Member]
Summary of restricted stock and stock unit awards
Granted	547,385
Restricted Stock Units
Granted	547,385

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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