Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (2,230)	$ (3,126)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of prepaid rent	161	107
Depreciation and amortization	160	393
Expense for stock options issued to employees	582	429
Gain on disposal of property and equipment	0	(1)
Amortization of deferred gain	(47)	(32)
Change in fair value of contingent consideration	0	3
Changes in assets and liabilities, net of effects of acquisitions:
Trade receivables	167	461
Equipment financing receivables	76	(121)
Inventories	(7)	102
Income taxes receivable	0	12
Prepaid expenses and other	(162)	(108)
Other long-term assets	(114)	76
Accounts payable, accrued expenses and other	(275)	38
Income tax payable	17	0
Deferred revenue	(61)	(445)
Net cash used in operating activities	(1,733)	(2,212)
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of property and equipment	(24)	(3)
Proceeds from sale of property and equipment	0	2,002
Acquisition of One Stop Voice	0	(195)
Change in restricted cash	4	5
Purchase of long-term investment	0	(1)
Net cash (used in)/provided by investing activities	(20)	1,808
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of options	0	42
Proceeds from exercise of warrants	690	0
Payments of contingent consideration	(61)	(37)
Net cash (used in)/ provided by financing activities	629	5
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(1,124)	(399)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	2,906	3,076
CASH AND CASH EQUIVALENTS, END OF PERIOD	1,782	2,677
Supplemental disclosure of cash flow information:
Income taxes	(1)	11
Supplemental disclosure of non-cash investing and financing information:
Business acquisition with stock (Note 3)	0	134
Contingent consideration related to acquisition (Note 3)	0	211
Prepayment of rent with common stock	0	966
Issuance of common stock from contingent consideration related to business acquisition	$ 40	$ 0