Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows From Operating Activities:
Net loss attributable to the Company	$ (81,331,176)	$ (33,792,515)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property, plant and equipment, and investment in leased property	1,438,457	1,432,698
Amortization of intangible assets	1,782,832	1,704,917
Stock-based compensation	2,402,994	1,576,577
Gain on sale of equity interest in joint venture		(3,234,717)
Gain on bargain purchase	(1,014,256)
Gain on disposal of property, plant and equipment	(31,792)	(55,768)
Change in fair value of common stock warrant liability	58,370,871	16,171,061
Changes in operating assets and liabilities that provide (use) cash, net of effects of acquisition:
Accounts receivable	(8,287,545)	(279,308)
Inventory	(6,358,086)	(1,218,197)
Prepaid expenses and other current assets	(5,729,996)	(131,670)
Note receivable	46,733	45,399
Accounts payable, accrued expenses, product warranty reserve and other liabilities	6,031,273	(2,065,461)
Deferred revenue	1,654,631	1,902,239
Net cash used in operating activities	(31,025,060)	(17,944,745)
Cash Flows From Investing Activities:
Proceeds from sale of equity interest in joint venture		3,234,717
Purchase of property, plant and equipment	(1,200,003)	(144,752)
Purchase of ReliOn, net of cash acquired	414,000
Proceeds from disposal of property, plant and equipment	31,792	56,700
Net cash (used in) provided by investing activities	(754,211)	3,146,665
Cash Flows From Financing Activities:
Restricted cash		(500,000)
Proceeds from exercise of stock options	240,598
Proceeds from exercise of warrants	18,340,534	2,849,460
Purchase of treasury stock	(513,661)
Proceeds from issuance of preferred stock		2,595,400
Preferred stock issuance costs		(144,321)
Proceeds from issuance of common stock and warrants	176,700,005	14,807,717
Common stock issuance costs	(10,977,387)	(1,934,265)
Repayment of borrowings under line of credit		(3,380,835)
Proceeds from finance obligation		2,600,000
Principal payments on obligations under capital lease and finance obligation	(575,609)	(516,177)
Net cash provided by financing activities	183,214,480	16,376,979
Effect of exchange rate changes on cash		997
Increase (decrease) in cash and cash equivalents	151,435,209	1,579,896
Cash and cash equivalents, beginning of period	5,026,523	9,380,059
Cash and cash equivalents, end of period	$ 156,461,732	$ 10,959,955