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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Cash flows used in operating activities:    
Net loss $ (2,464) $ (6,236)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 2,191 2,172
Provision for doubtful accounts 67 (2)
Excess and obsolete site equipment to be installed expense 38 680
Stock-based compensation 331 341
Amortization of debit issuance costs 27 11
Issuance of common stock to consultant in lieu of cash payment 1
Impairment of capitalized software 295
Loss from disposition of equipment 16 28
Changes in assets and liabilities:    
Accounts receivable (46) 1,610
Site equipment to be installed 26 (403)
Prepaid expenses and other assets 224 (263)
Accounts payable and accrued liabilities (194) (51)
Income taxes payable (12) (57)
Deferred costs 281 (252)
Deferred revenue 36 183
Deferred rent (125) (112)
Other liabilities (424) (168)
Net cash used in operating activities (28) (2,223)
Cash flows used in investing activities:    
Capital expenditures (306) (781)
Software development expenditures (378) (520)
Proceeds from the sale of equipment 9
Net cash used in investing activities (684) (1,292)
Cash flows provided by financing activities:    
Principal payments on capital lease (63) (39)
Proceeds from long-term debt 2,114 5,638
Payments on long-term debt (1,568) (4,396)
Debt issuance costs on long-term debt (8) (81)
Payments to cashed-out stockholders in connection with reverse/forward stock split (Note 2) (3)
Payment of preferred stockholders dividends (8)
Proceeds from exercise of stock options 1
Net cash provided by financing activities 464 1,123
Net decrease in cash and cash equivalents (248) (2,392)
Effect of exchange rate on cash 41 (115)
Cash and cash equivalents at beginning of year 3,223 7,185
Cash and cash equivalents at end of year 3,016 4,678
Supplemental disclosures of cash flow information: Cash paid during the period for:    
Interest 357 311
Income taxes 45 68
Supplemental disclosure of non-cash investing and financing activities:    
Site equipment transferred to fixed assets 1,087 1,055
Site equipment transferred to other current assets 176
Equipment acquired under capital lease 279 177
Issuance of common stock in lieu of payment of preferred dividends $ 8