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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Cash flows providec by (used in) operating activities:    
Net loss $ (4,888) $ (1,997)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 1,421 1,375
Provision for doubtful accounts 12 41
Stock-based compensation 218 111
Issuance of common stock to consultant in lieu of cash payment 1 30
Impairment of capitalized software 295 661
Loss from disposition of equipment and capitalized software 5 1
Changes in assets and liabilities:    
Accounts receivable 1,626 (285)
Site equipment to be installed 995 (2,128)
Prepaid expenses and other assets (344) 54
Accounts payable and accrued liabilities (251) 182
Income taxes payable (27) (20)
Deferred costs (207) (346)
Deferred revenue 0 395
Deferred rent (72) (64)
Net cash used in operating activities (1,216) (1,990)
Cash flows used in investing activities:    
Capital expenditures (445) (485)
Software development expenditures (379) (295)
Proceeds from the sale of equipment 9 0
Net cash used in investing activities (815) (780)
Cash flows provided by financing activities:    
Proceeds from public offering of common stock, net 0 6,369
Proceeds from exercise of stock options 1 23
Proceeds from long-term debt 4,574 3,023
Payments on long-term debt (4,267) (898)
Principal payments on capital lease (23) (12)
Tax withholding related to net-share settlements of restricted stock units 0 (27)
Net cash provided by financing activities 285 8,478
Net (decrease) increase in cash and cash equivalents (1,746) 5,708
Effect of exchange rate on cash (48) 1
Cash and cash equivalents at beginning of period 7,185 5,455
Cash and cash equivalents at end of period 5,391 11,164
Supplemental disclosures of cash flow information:    
Interest 246 67
Income taxes 55 29
Supplemental disclosure of non-cash investing and financing activities:    
Site equipment transferred to fixed assets 610 490
Issuance of common stock in lieu of payment of preferred dividends $ 8 $ 8