Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Cash flows from operating activities:    
Net loss $ (6,448) $ (13,245)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense (benefit) 776 (522)
Depreciation and amortization 1,989 2,214
Deferred Income Tax Expense (Benefit) 0 7
Loss on disposal of property and equipment 0 4
Provision for (Recovery of) doubtful accounts (13) (32)
Changes in operating assets and liabilities:    
Accounts receivable (989) (86)
Prepaid expenses and other current assets 1,361 235
Other assets (18) 235
Accounts payable (382) (251)
Accrued liabilities (644) (437)
Deferred revenue 11 1,965
Other liabilities 62 139
Net cash used in operating activities (4,295) (9,774)
Cash flows from investing activities:    
Purchases of property and equipment (299) (642)
Increase (Decrease) of Restricted Investments   1,550
Net cash (used in) provided by investing activities (299) 908
Cash flows from financing activities:    
Net proceeds from issuance of common stock 2,673 127
Principal payments for vendor financed property and equipment (854) (832)
Stock repurchase (345) 0
Net cash provided by (used in) financing activities 1,474 (705)
Net decrease in cash and cash equivalents (3,120) (9,571)
Cash and cash equivalents at beginning of period 20,294  
Cash and cash equivalents at end of period 17,174  
Supplemental disclosures of cash flow information:    
Net cash paid for taxes 194 51
Accrued amounts for acquisition of property and equipment $ 1 $ 56