Condensed Consolidated Statements of Cash Flow (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (947,000)	$ (435,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	58,000	67,000
Bad debt expense	(10,000)	2,000
Changes in current assets & liabilities
Accounts receivable	(16,000)	(977,000)
Inventory	17,000	(6,000)
Prepaid expenses & other	(144,000)	(93,000)
Accounts payable	200,000	379,000
Unearned revenue	221,000	0
Severance payable	299,000	0
Accrued expenses	60,000	130,000
Net cash used in operating activities	(262,000)	(933,000)
Cash used in investing activities:
Additions to plant & equipment	(34,000)	(2,000)
Net cash used in investing activities	(34,000)	(2,000)
Cash (used in) provided by financing activities:
Repayment – Note payable	(53,000)	(26,000)
Net borrowing – Line of credit	351,000	0
Net Cash (used in) provided by financing activities	298,000	(26,000)
Net increase (decrease) in cash	2,000	(961,000)
Cash at beginning of period	47,000	1,292,000
Cash at end of period	49,000	331,000
Supplemental cash flow disclosure:
Interest paid	29,000	13,000
Taxes paid	$ 0	$ 0