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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Cash flows provided by (used in) operating activities:    
Net loss $ (1,891) $ (4,888)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Depreciation and amortization 1,487 1,421
Provision for doubtful accounts 24 12
Excess and obsolete site equipment to be installed expense 27 607
Stock-based compensation 223 218
Amortization of debit issuance costs 18 4
Issuance of common stock to consultant in lieu of cash payment 1
Impairment of capitalized software 295
Loss from disposition of equipment 6 5
Changes in assets and liabilities:    
Accounts receivable 254 1,626
Site equipment to be installed 265 388
Prepaid expenses and other assets 131 67
Accounts payable and accrued liabilities (254) (251)
Income taxes payable (10) (27)
Deferred costs 141 (207)
Deferred revenue 27
Deferred rent (81) (72)
Other liabilities (354) (334)
Net cash provided by (used in) operating activities 13 (1,135)
Cash flows used in investing activities:    
Capital expenditures (291) (445)
Software development expenditures (175) (379)
Proceeds from the sale of equipment 9
Net cash used in investing activities (466) (815)
Cash flows provided by financing activities:    
Principal payments on capital lease (42) (23)
Proceeds from long-term debt 2,114 4,574
Payments on long-term debt (1,311) (4,267)
Debt issuance costs on long-term debt (2) (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 748 204
Net increase (decrease) in cash and cash equivalents 295 (1,746)
Effect of exchange rate on cash 53 (48)
Cash and cash equivalents at beginning of year 3,223 7,185
Cash and cash equivalents at end of year 3,571 5,391
Supplemental disclosures of cash flow information: Cash paid during the period for:    
Interest 217 246
Income taxes 35 55
Supplemental disclosure of non-cash investing and financing activities:    
Site equipment transferred to fixed assets 537 610
Site equipment transferred to other current assets 176
Equipment acquired under capital lease 22 160
Issuance of common stock in lieu of payment of preferred dividends $ 8