Stock-Based Compensation and Stock Incentive Plans (Tables)

6 Months Ended

Jul. 31, 2013

Equity [Abstract]

Schedule of Employee Service Share-Based Compensation, Allocation of Recognized Period Costs

The following table presents total stock-based compensation expense included in the consolidated statements of operations and comprehensive income (loss):

	Three Months Ended				Six Months Ended
	July 31,				July 31,
	2013		2012		2013		2012
	(Amounts in thousands)
Cost of revenues	$	70	$	77	$	124	$	194
Research and development		194		65		279		181
Selling and marketing		49		99		95		231
General and administrative		344		1,763		1,272		2,426
Total stock-based compensation	$	657	$	2,004	$	1,770	$	3,032