Basic and Diluted Net Loss Per Common Share Basic and Diluted Net Income (Loss) Per Common Share (Details) - shares	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted average number of shares - basic	15,493,763	15,445,951	15,488,702	15,408,105
Potentially dilutive securities	1,210	50,767	0	0
Weighted average number of shares - diluted	15,494,973	15,496,718	15,488,702	15,408,105
Weighted average number of shares - basic	15,493,763	15,445,951	15,488,702	15,408,105