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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Cash flows provided by operating activities:    
Net loss $ (438) $ (2,464)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 1,716 2,191
Provision for doubtful accounts 47 67
Excess and obsolete site equipment to be installed expense 30 38
Stock-based compensation 347 331
Amortization of debt issuance costs 39 27
Issuance of common stock in lieu of cash compensation 178
Impairment of capitalized software 5
Loss from disposition of equipment 8 16
Changes in assets and liabilities:    
Accounts receivable 254 (46)
Site equipment to be installed (3,047) 26
Prepaid expenses and other assets 37 224
Accounts payable and accrued liabilities (350) (194)
Income taxes (2) (12)
Deferred costs 36 281
Deferred revenue 2,521 36
Deferred rent (140) (125)
Other liabilities (185) (424)
Net cash provided by (used in) operating activities 1,056 (28)
Cash flows used in investing activities:    
Capital expenditures (562) (306)
Software development expenditures (556) (378)
Net cash used in investing activities (1,118) (684)
Cash flows (used in) provided by financing activities:    
Proceeds from long-term debt 2,114
Payments on long-term debt (2,857) (1,568)
Debt issuance costs on long-term debt (22) (8)
Principal payments on capital lease (116) (63)
Net proceeds from issuance of common stock related to registered direct offering 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 (1,230) 464
Net decrease in cash and cash equivalents (1,292) (248)
Effect of exchange rate on cash 70 41
Cash and cash equivalents at beginning of year 5,686 3,223
Cash and cash equivalents at end of year 4,464 3,016
Supplemental disclosures of cash flow information: Cash paid during the period for:    
Interest 301 357
Income taxes 33 45
Supplemental disclosure of non-cash investing and financing activities:    
Site equipment transferred to fixed assets 1,361 1,087
Site equipment transferred to other current assets 176
Equipment acquired under capital lease $ 279