Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net loss	$ (30,531,000)	$ (3,251,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	333,000	357,000
Stock based compensation expense	300,000	428,000
Recovery of reserve for excess and slow-moving inventories	(252,000)	(144,000)
Change in fair value of derivative	(567,000)	(113,000)
Deferred income tax benefit	3,451,000	673,000
Loss on disposal of equipment	420,000	176,000
Impairment of intangible asset	27,202,000	310,000
Net change in operating assets and liabilities:
Accounts receivable	869,000	(671,000)
Inventories	(358,000)	(196,000)
Prepaid expenses and other current assets	257,000	37,000
Accounts payable	(242,000)	(475,000)
Related party payable	(606,000)	606,000
Accrued payroll and related expenses	50,000	(1,235,000)
Deferred revenue	254,000	194,000
Other current liabilities	217,000	(41,000)
Other noncurrent liabilities	3,000	46,000
Net cash used in operating activities	(6,102,000)	(4,645,000)
Capital expenditures	(850,000)	(99,000)
Net cash used in investing activities	(850,000)	(99,000)
Cash flows from financing activities:
Payments on capital lease obligations	(19,000)	(24,000)
Proceeds from long-term related party debt	500,000	3,500,000
Payment of financing cost		(13,000)
Proceeds from issuance of common stock, net	6,032,000
Net cash provided by financing activities	6,513,000	3,463,000
Effects of foreign currency rate changes on cash and cash equivalents	(3,000)	5,000
Net change in cash and cash equivalents	(442,000)	(1,276,000)
Cash and cash equivalents at beginning of period	3,513,000	4,899,000
Cash and cash equivalents at end of period	3,071,000	3,623,000
Supplemental disclosures of cash flow information:
Cash paid for interest	657,000
Supplemental non-cash financing and investing information:
Transfer of equipment to inventories	172,000	625,000
Transfer of inventories to equipment	$ 420,000