Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2019	Jan. 31, 2018
Statement of Financial Position [Abstract]
Accounts Receivable, Reserves	$ 521	$ 377
Preferred Stock, Par Value	$ 10	$ 10
Preferred Stock, Shares Authorized	100,000	100,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par Value	$ 0.05	$ 0.05
Common Stock, Shares Authorized	13,000,000	13,000,000
Common Stock, Shares Issued	10,218,559	9,996,120
Treasury Stock, Shares	3,261,672	3,227,942