Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Cash flows used in operating activities:
Net loss	$ (409)	$ (90)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	639	579
Provision for doubtful accounts	8	26
Scrap expense	7
Stock-based compensation	117	117
Amortization of debt issuance costs	8	12
Issuance of common stock in lieu of cash for bonus compensation		164
Loss from disposition of equipment	2
Changes in assets and liabilities:
Accounts receivable	(327)	(863)
Site equipment to be installed	397	208
Prepaid expenses and other assets	(407)	(148)
Accounts payable and accrued liabilities	(37)	(450)
Income taxes payable	7	(22)
Deferred costs	148	53
Deferred revenue	(176)	(62)
Deferred rent	(50)	(45)
Other liabilities	(47)	55
Net cash used in operating activities	(120)	(466)
Cash flows used in investing activities:
Capital expenditures	(169)	(97)
Software development expenditures	(203)	(152)
Net cash used in investing activities	(372)	(249)
Cash flows used in financing activities:
Net proceeds from issuance of common stock related to registered direct offering		1,554
Principal payments on capital lease	(44)	(38)
Payments on long-term debt	(182)	(359)
Debt issuance costs on long-term debt		(22)
Net cash (used in) provided by financing activities	(226)	1,135
Net (decrease) increase in cash and cash equivalents	(718)	420
Effect of exchange rate on cash	(25)	7
Cash and cash equivalents at beginning of period	3,378	5,686
Cash and cash equivalents at end of period	2,635	6,113
Supplemental disclosures of cash flow information: Cash paid during the period for:
Interest	85	171
Income taxes		28
Supplemental disclosure of non-cash investing and financing activities:
Site equipment transferred to fixed assets	472	222
Equipment acquired under capital lease	$ 5

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