Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows From Operating Activities:
Net loss	$ (398)	$ (487)
Adjustments to reconcile net loss to cash provided by operating activities:
Stock compensation expense	231	152
Depreciation	157	163
Amortization	111	204
Recovery of bad debt expense	(50)
Amortization of loan fees	72
Non cash interest expense	27	211
Change in derivative liability		142
Changes in operating assets and liabilities:
Accounts receivable	1,004	(71)
Inventories	(331)	(107)
Prepaid and other current assets	(167)	11
Other assets	2	48
Accounts payable, accrued compensation and other accrued expenses	661	(50)
Net cash provided by operating activities	1,319	216
Cash Flows From Investing Activities:
Purchases of property and equipment	(47)	(44)
Acquisition of licenses	(5)	(25)
Net cash used in investing activities	(52)	(69)
Cash Flows From Financing Activities:
Net repayments of line of credit	(865)	(148)
Repayments of debt	(126)	(106)
Net cash used in financing activities	(991)	(254)
Net increase (decrease) in cash	276	(107)
Cash, beginning of period	168	468
Cash, end of period	444	361
Supplemental Cash Flow Information:
Cash paid for interest	180	137
Non cash investing and financing activities:
Capital expenditures financed by notes payable	15
Conversion of subordinated convertible debt to common stock	$ 455