Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows From Operating Activities:
Net loss attributable to the Company	$ (24,039)	$ (11,754)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property, plant and equipment, and leased property	2,002	571
Amortization of intangible assets	143	145
Stock-based compensation	2,462	2,217
Amortization of debt issuance costs	147
Change in fair value of common stock warrant liability	2,280	(1,278)
Changes in operating assets and liabilities that provide (use) cash, net of effects of acquisitions:
Accounts receivable	5,021	11,966
Inventory	(3,786)	(6,398)
Prepaid expenses and other assets	1,569	(1,816)
Accounts payable, accrued expenses, product warranty reserve and other liabilities	(7,584)	2,423
Accrual for loss contracts related to service	(752)	(1,748)
Deferred revenue	(1,322)	(1,244)
Net cash used in operating activities	(23,859)	(6,916)
Cash Flows From Investing Activities:
Purchase of property, plant and equipment	(303)	(1,889)
Purchase for construction of leased property	(9,336)	(11,747)
Net cash used in investing activities	(9,639)	(13,636)
Cash Flows From Financing Activities:
Change in restricted cash	734	(31)
Proceeds from exercise of warrants		109
Payments for redemption of preferred stock	(3,700)
Proceeds from short-term borrowing, net of transaction costs		23,874
Principal payments on short-term borrowings	(50)
Increase in finance obligations	2,230	(556)
Net cash provided by (used in) financing activities	(786)	23,396
Effect of exchange rate changes on cash	35	77
Decrease in cash and cash equivalents	(34,249)	2,921
Cash and cash equivalents, beginning of period	46,014	63,961
Cash and cash equivalents, end of period	11,765	66,882
Other Supplemental Cash Flow Information:
Cash paid for interest	$ 1,902	$ 232