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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Cash flows provided by operating activities:    
Net loss $ (254) $ (1,891)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 1,130 1,487
Provision for doubtful accounts 40 24
Excess and obsolete site equipment to be installed expense 24 27
Stock-based compensation 234 223
Amortization of debt issuance costs 26 18
Issuance of common stock in lieu of cash for bonus compensation 164
Impairment of capitalized software 4
Loss from disposition of equipment 6 6
Changes in assets and liabilities:    
Accounts receivable 127 254
Site equipment to be installed (218) 265
Prepaid expenses and other assets (1,121) 131
Accounts payable and accrued liabilities 148 (254)
Income taxes (12) (10)
Deferred costs 55 141
Deferred revenue 2,669 27
Deferred rent (90) (81)
Other liabilities (126) (354)
Net cash provided by operating activities 2,806 13
Cash flows used in investing activities:    
Capital expenditures (339) (291)
Software development expenditures (362) (175)
Net cash used in investing activities (701) (466)
Cash flows (used in) provided by financing activities:    
Proceeds from long-term debt 2,114
Payments on long-term debt (2,651) (1,311)
Debt issuance costs on long-term debt (22) (2)
Principal payments on capital lease (77) (42)
Net proceeds from issuance of common stock related to registered direct offering (Note 3) 1,773
Payments to cashed-out stockholders in connection with reverse/forward stock split (3)
Payment of preferred stockholders dividends (8) (8)
Net cash (used in) provided by financing activities (985) 748
Net increase in cash and cash equivalents 1,120 295
Effect of exchange rate on cash 28 53
Cash and cash equivalents at beginning of year 5,686 3,223
Cash and cash equivalents at end of year 6,834 3,571
Supplemental disclosures of cash flow information: Cash paid during the period for:    
Interest 303 217
Income taxes 33 35
Supplemental disclosure of non-cash investing and financing activities:    
Site equipment transferred to fixed assets 729 537
Site equipment transferred to other current assets 176
Equipment acquired under capital lease $ 22