CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net loss	$ (14,859,758)	$ (10,058,647)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,170,859	3,649,361
Non-cash interest	6,211,365	2,541,890
Loss on disposal of fixed assets	968,591	0
Non-cash consulting expense/stock option expense	397,174	271,374
Provision for losses on accounts receivable and inventory	1,063,331	432,781
Change in derivative warrant liability	(156,233)	(496,329)
Changes in operating assets and liabilities:
Accounts receivable	2,544,399	207,934
Inventories	1,202,035	(2,673,670)
Prepaid and other assets	12,417	(708,693)
Accounts payable	(2,374,147)	3,652,113
Accrued liabilities	63,235	(4,568,572)
Net cash used in operating activities	(756,732)	(7,750,458)
Investing activities:
Purchases of property and equipment and intangible assets	(1,067,868)	(4,369,562)
Net cash used in investing activities	(1,067,868)	(4,369,562)
Financing activities:
Proceeds from long-term debt	11,387,094	0
Payments on capital leases	(27,935)	(49,428)
Proceeds from the issuance of Convertible Debt	0	2,238,166
Proceeds from Revolving Line of Credit	0	5,480,671
Payments on Revolving Line of Credit	(10,448,283)	0
Net proceeds from issuance of stock	0	300,000
Net cash provided by financing activities	910,876	7,969,409
Net change in cash and cash equivalents	(913,724)	(4,150,611)
Cash and cash equivalents at beginning of period	2,578,267	6,368,016
Cash and cash equivalents at end of period	$ 1,664,543	$ 2,217,405