Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Cash flows from operating activities    
Net loss $ (10,824) $ (46,022)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 3,024 $ 5,399
Gain on sale of discontinued operations (2,340)
Gain (loss) on change in warrant liability $ (1,303) $ (183)
Impairment of intangible assets and goodwill $ 24,422
Impairment of fixed assets $ 160
Stock-based compensation $ 1,197 $ 1,483
Non-cash treasury stock (480)
Non-cash loan origination fees $ 742 171
Non-cash consulting expense 320 385
Non-cash directors' fees 31 $ 116
Allowance for doubtful accounts 460
Deferred tax (benefit) 7 $ (212)
Changes in operating assets and liabilities:    
Accounts receivable 4,745 11,167
Inventory 249 1,713
Other current assets 88 $ 31
Non-current deferred tax assets (32)
Other assets, net (293) $ 11
Accounts payable (2,405) (3,236)
Accrued liabilities 329 (94)
Deferred revenue (579) (2,181)
Loss (gain) on long-term contract (1,840) 2,204
Deferred rent and other liabilities (522) 514
Net cash used in operating activities (8,786) $ (4,792)
Cash flows from investing activities    
Proceeds from sale of discontinued operations 1,190
Purchases of property and equipment (356) $ (2,300)
Net cash used in investing activities 834 (2,300)
Cash flows from financing activities    
Proceeds from long-term debt 1,000 $ 4,000
Conversion of preferred to common stock (41)
Issuance of preferred shares, net of issuance costs 9,627
Net cash provided by financing activities 10,586 $ 4,000
Effect of exchange rate changes on cash 3 (98)
Net increase (decrease) in cash and cash equivalents 2,637 (3,190)
Cash and cash equivalents, beginning of period 3,077 8,236
Cash and cash equivalents, end of period $ 5,714 $ 5,046