Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income/(loss)	$ 577	$ (16)
Adjustments to reconcile net income/(loss) to net cash provided by/(used for) operating activities:
Depreciation and amortization	44	40
Share-based compensation	186	175
Changes in assets and liabilities:
Trade receivables	(95)	(8)
Contract assets	(6)	(8)
Equipment financing receivables	(206)	(4)
Inventories	(16)	(263)
Contract costs	(46)	7
Prepaid expenses	(77)	(58)
Income tax receivable	(6)	(5)
Other assets	14	13
Accounts payable and accrued expenses	10	76
Contract liabilities	116	19
Net cash provided by/(used for) operating activities	495	(32)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(42)	(136)
Net cash provided by investing activities	(42)	(136)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments made on finance leases	(17)	0
Proceeds from notes payable	0	267
Repayments made on notes payable	(49)	(71)
Proceeds from exercise of options	272	30
Net cash provided by financing activities	206	226
NET INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	659	58
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT THE BEGINNING OF THE PERIOD	1,949	1,382
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT THE END OF THE PERIOD	2,608	1,440
Cash used during the year for: income taxes, net	(12)	(12)
Cash used during the year for: interest expense	$ (8)	$ (3)