Net Loss Per Share Reconciliation of the shares used for the basic loss per share (“EPS”) and diluted EPS calculations (Details)	3 Months Ended				6 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Basic EPS:
Weighted average number of shares of common stock outstanding and vested deferred stock units (“DSUs”)	12,514,000	[1]	12,104,000	[1]	12,529,000	[1]	12,083,000	[1]
Diluted EPS:
Effect of dilutive stock options and unvested DSUs	0		0		0		0
Total diluted EPS	12,514,000		12,104,000		12,529,000		12,083,000
Stock Options [Member]
Diluted EPS:
Total outstanding options not included in diluted EPS as they would be antidilutive	3,239,000		2,858,000		3,239,000		2,858,000
Performance Shares [Member]
Diluted EPS:
Performance and market-based grants not included in diluted EPS	0		239,000		0		239,000
Deferred Stock Unit (DSU) [Member]
Basic EPS:
Vested stock units	177,569		178,302		174,496		174,228

[1] Includes 177,569 and 178,302 vested cumulative DSUs, respectively, for the three months ended September 30, 2014 and 2013 and 174,496 and 174,228 vested cumulative DSUs, respectively, for the six months ended September 30, 2014 and 2013 that will not be issued until the directors holding the DSUs retire from our Board of Directors.