Stock Repurchase Plan - Additional Information (Details) - USD ($)	6 Months Ended
	Jul. 29, 2017	Mar. 17, 2017
Stockholders Equity Note [Abstract]
Stock repurchase program, authorized amount		$ 12,000,000
Stock repurchase program, expiration date	Feb. 03, 2018
Common stock shares repurchased	1,878,434
Stock repurchased, average price per share	$ 2.49
Stock repurchase program, remaining amount	$ 7,300,000