Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Mar. 31, 2017
Current assets:
Cash and cash equivalents	$ 30,320	$ 26,784
Accounts receivable, net	8,193	7,956
Inventory	15,983	17,462
Prepaid expenses and other current assets	3,323	2,703
Restricted cash	0	795
Total current assets	57,819	55,700
Property, plant and equipment, net	36,438	43,438
Intangibles, net	3,496	301
Goodwill	1,711	0
Restricted cash	165	165
Deferred tax assets	538	407
Other assets	381	233
Total assets	100,548	100,244
Current liabilities:
Accounts payable and accrued expenses	14,016	14,490
Note payable, current portion, net of discount of $19 as of March 31, 2017	0	1,481
Derivative liabilities	1,224	1,923
Deferred revenue	16,069	14,323
Total current liabilities	31,309	32,217
Deferred revenue	8,325	7,631
Deferred tax liabilities	125	125
Other liabilities	137	45
Total liabilities	39,896	40,018
Commitments and contingencies (Note 14)
Stockholders' equity:
Common stock	211	147
Additional paid-in capital	1,039,458	1,017,510
Treasury stock	(1,645)	(1,371)
Accumulated other comprehensive income (loss)	718	(503)
Accumulated deficit	(978,090)	(955,557)
Total stockholders' equity	60,652	60,226
Total liabilities and stockholders' equity	$ 100,548	$ 100,244