CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Current assets:
Cash and cash equivalents	$ 17,110	$ 7,192
Trade accounts receivable, net	2,650	2,439
Inventories	4,424	4,557
Prepaid expenses and other current assets	4,843	5,200
Total current assets	29,027	19,388
Property and equipment, net	17,736	8,556
Intangible assets, net	1,079	967
Other non-current assets	611	897
Total assets	48,453	29,808
Current liabilities:
Accounts payable	5,004	5,343
Accrued compensation and benefits	1,768	2,014
Accrued expenses and other current liabilities	5,955	4,453
Financial liability in respect of share warrants	7,545	421
Current portion of long-term debt	1,500
Current portion of lease incentive	442	485
Current portion of capital lease obligation	281	183
Total current liabilities	22,495	12,899
Long-term debt, less current portion	13,692	15,105
Lease incentive, less current portion	1,989	2,423
Capital lease obligation, less current portion	373	154
Total liabilities	38,549	30,581
Commitments and contingencies
Shareholders' equity (deficit)
Distribution in excess of capital	(15,863)	(16,793)
Accumulated other comprehensive income (loss)	(1,440)	305
Accumulated deficit	(29,630)	(15,295)
Total shareholders' equity (deficit)	9,904	(31,536)
Total liabilities, redeemable convertible preference shares and shareholders' equity	48,453	29,808
A Preference Shares [Member]
Current liabilities:
Preferred stock value		13,180
B Preference Shares [Member]
Current liabilities:
Preferred stock value		14,991
C Preference Shares [Member]
Current liabilities:
Preferred stock value		2,592
A Ordinary Shares [Member]
Shareholders' equity (deficit)
Common stock value
B Ordinary Shares [Member]
Shareholders' equity (deficit)
Common stock value
Ordinary Shares [Member]
Shareholders' equity (deficit)
Common stock value	56,837	247
Total shareholders' equity (deficit)	$ 56,837	$ 247