This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of deferred compensation liability as of the balance sheet date.

No definition available.

Fair Value Measurements (Details) (USD $)	9 Months Ended		3 Months Ended
Fair Value Measurements (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Mar. 31, 2014
Change in warrant liability measured at fair value recurring basis using significant unobservable inputs (Level 3) [Rollforward]
Total (gain) loss included in net loss	$ 2,199,000	$ 6,881,000
Forward Foreign Currency Exchange Contracts [Member]
Other liabilities [Abstract]
Net gain (loss) on forward foreign currency exchange contracts	(1,066,000)	(759,000)	(938,000)	74,000
Warrant Liability [Member]
Change in warrant liability measured at fair value recurring basis using significant unobservable inputs (Level 3) [Rollforward]
Beginning balance	10,047,000	2,014,000	10,322,000	5,975,000
Newly issued	0	0	0	0
Total (gain) loss included in net loss	2,199,000	6,881,000	1,924,000	2,920,000
Exercises/settlements	0	(2,410,000)	0	(2,410,000)
Net transfers in (out) of Level 3	0	0	0	0
Ending balance	12,246,000	6,485,000	12,246,000	6,485,000
Supplier Warrant [Member]
Fair value assumptions of warrants [Abstract]
Risk free interest rate (in hundredths)	0.99%
Expected life in years	2 years 9 months
Expected volatility (in hundredths)	48.20%
Dividend yield (in hundredths)	0.00%
Probability of future financing (in hundredths)	0.00%
Recurring [Member]
Short-term investments [Abstract]
Mutual funds	639,000		639,000		521,000
Other current liabilities [Abstract]
Deferred compensation	639,000		639,000		521,000
Forward foreign currency exchange contracts	1,225,000		1,225,000		159,000
Other liabilities [Abstract]
Warrant liability	12,246,000		12,246,000		10,047,000
Recurring [Member] \| Level 1 [Member]
Short-term investments [Abstract]
Mutual funds	639,000		639,000		521,000
Other current liabilities [Abstract]
Deferred compensation	639,000		639,000		521,000
Forward foreign currency exchange contracts	0		0		0
Other liabilities [Abstract]
Warrant liability	0		0		0
Recurring [Member] \| Level 2 [Member]
Short-term investments [Abstract]
Mutual funds	0		0		0
Other current liabilities [Abstract]
Deferred compensation	0		0		0
Forward foreign currency exchange contracts	1,225,000		1,225,000		159,000
Other liabilities [Abstract]
Warrant liability	0		0		0
Recurring [Member] \| Level 3 [Member]
Short-term investments [Abstract]
Mutual funds	0		0		0
Other current liabilities [Abstract]
Deferred compensation	0		0		0
Forward foreign currency exchange contracts	0		0		0
Other liabilities [Abstract]
Warrant liability	$ 12,246,000		$ 12,246,000		$ 10,047,000