Consolidated Statements of Cash Flows (Unaudited) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Cash flows from operating activities    
Net loss $ (11,731) $ (72,505)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 3,897 $ 6,805
Gain on sale of discontinued operations (2,340)
Gain on change in warrant liability $ (1,351) $ (665)
Impairment of intangible assets and goodwill $ 51,109
Impairment of long-lived assets $ 209
Stock-based compensation $ 1,563 $ 2,060
Non-cash treasury stock (480)
Non-cash loan origination fees $ 756 228
Non-cash consulting expense 320 505
Non-cash directors' fees 31 $ 116
Allowance for doubtful accounts 408
Deferred tax (benefit) 25 $ (6,991)
Changes in operating assets and liabilities:    
Accounts receivable 2,281 7,650
Inventory 392 3,172
Other current assets 129 1,070
Other assets, net (294) (258)
Accounts payable (1,280) (1,863)
Accrued liabilities (823) (282)
Deferred revenue 141 (950)
(Gain) loss on long-term contract (3,068) 3,348
Deferred rent and other liabilities (708) (800)
Net cash (used in) operating activities (11,443) $ (8,731)
Cash flows from investing activities    
Proceeds from sale of discontinued operations 1,190
Purchases of property and equipment (381) $ (2,293)
Net cash (used in) investing activities 809 $ (2,293)
Cash flows from financing activities    
Borrowings on line of credit, net 400
Proceeds from long-term debt 1,000 $ 6,000
Debt issuance costs (137)
Conversion of preferred to common stock (41)
Issuance of preferred stock, net of issuance costs 9,627
Net cash provided by financing activities 10,849 $ 6,000
Effect of exchange rate changes on cash (86) (135)
Net increase (decrease) in cash and cash equivalents 129 (5,159)
Cash and cash equivalents, beginning of year 3,077 8,236
Cash and cash equivalents, end of year 3,206 3,077
Supplemental disclosures of cash flow information:    
Cash paid during the period for interest 689 1,579
Cash paid during the period for income taxes $ 275 187
Non-cash Supplemental information:    
Leasehold improvements acquired through landlord allowance 1,250
Issuance of common stock for warrants $ 2,460