Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (2,267)	$ (3,273)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of prepaid rent	242	242
Depreciation and amortization	110	216
Non-cash interest expesnse	18	0
Expense for stock options issued to employees	504	784
Amortization of deferred gain	(70)	(70)
Changes in assets and liabilities, net of effects of acquisitions:
Trade receivables	96	111
Equipment financing receivables	119	130
Inventories	10	(43)
Prepaid expenses	81	(69)
Other assets	38	(96)
Accounts payable and accrued expenses	361	(40)
Income tax payable	4	27
Deferred revenue	17	112
Net cash used in operating activities	(737)	(1,969)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	0	(29)
Release of restricted cash	12	9
Purchase of long term investment	(1)	0
Net cash provided by/(used for) investing activities	11	(20)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from notes payable	150	0
Repayments of notes payable	(119)	0
Proceeds from exercise of options	9	49
Proceeds from exercise of warrants	102	690
Payments of contingent consideration	(59)	(61)
Net cash provided by financing activities	83	678
NET DECREASE IN CASH AND CASH EQUIVALENTS	(643)	(1,311)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	1,497	2,906
CASH AND CASH EQUIVALENTS, END OF PERIOD	854	1,595
Supplemental disclosure of cash flow information:
Income taxes, net	(2)	(1)
Supplemental disclosure of non-cash investing and financing information:
Issuance of common stock for prepayment of interest on related-party note payable	101	0
Issuance of common stock from contingent consideration related to business acquisition	$ 40	$ 40