Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating Activities:
Net loss	$ (38,850,782)	$ (45,797,798)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,600,007	5,633,428
Stock based compensation	888,348	856,811
Common stock issued for services	0	89,999
Realized loss (gain) on sale of assets	82,772	0
Amortization of financing costs	137,111	362,996
Impairment loss	0	12,570
Non-cash interest expense	948,901	1,439,425
Amortization of debt discount	6,214,060	23,968,539
Loss on Note Receivable	0	99,000
Loss on Joint Venture	0	128,709
Bad debt expense	122,416	77,524
Accrued litigation settlement	(541,279)	(493,732)
Deemed interest expense on warrant liability	0	909,092
Change in fair value of derivatives and loss on extinguishment of liabilities, net	6,402,077	(9,467,070)
Changes in operating assets and liabilities:
Accounts receivable	1,321,265	711,696
Inventories	1,702,564	(1,845,168)
Prepaid expenses and other current assets	379,374	248,781
Accounts payable	1,492,053	2,055,575
Accrued expenses	(501,284)	(1,220,311)
Warranty reserve	(87,543)	128,000
Net cash used in operating activities	(16,855,484)	(22,101,934)
Investing Activities:
Purchase of property, plant and equipment	(51,724)	(29,194)
Proceeds from sale of Assets	82,772	0
Investment in Joint Venture	0	191,291
Interest income on restricted cash	0	(49,446)
Patent activity costs	(189,455)	(308,567)
Net cash used in investing activities	(158,407)	(195,916)
Financing Activities:
Payment of debt financing costs	(81,500)	(466,250)
Proceeds from Promissory Note	1,930,000	500,000
Repayment of debt	(266,027)	(276,259)
Repayment of convertible notes	0	(1,000,000)
Proceeds from convertible notes	0	2,000,000
Restricted cash	0	9,250,000
Proceeds from Committed Equity Line	1,056,147	2,000,000
Proceeds from issuance of stock and warrants	14,180,000	7,300,000
Net cash provided by financing activities	16,818,620	19,307,491
Net change in cash and cash equivalents	(195,271)	(2,990,359)
Cash and cash equivalents at beginning of period	326,217	3,316,576
Cash and cash equivalents at end of period	130,946	326,217
Supplemental Cash Flow Information:
Cash paid for interest	417,876	477,354
Non-Cash Transactions:
Non-cash conversions of preferred stock and convertible notes to equity	$ 10,617,764	$ 19,988,994