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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
CASH FLOWS USED IN OPERATING ACTIVITIES:    
Net loss $ (6,316) $ (8,069)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation and amortization 1,111 981
Stock-based compensation 322 637
Provision for losses on doubtful accounts 1,909 1,523
Provision for losses on inventory obsolescence 328 55
Warrant revaluation 415 (250)
Loss on sale of fixed assets 14 0
Deferred interest 61 145
Deferred tax provision 81 550
Changes in operating assets and liabilities:    
Accounts receivable (3,994) (3,479)
Inventories 42 (88)
Other current assets 146 5
Accounts payable (131) 667
Accrued expenses and other liabilities 0 66
Net cash flows used in operating activities (6,012) (7,257)
CASH FLOWS USED IN INVESTING ACTIVITIES:    
Purchases of property and equipment (194) (110)
Other assets (46) (62)
Net cash flows used in investing activities (240) (172)
CASH FLOWS PROVIDED BY FINANCING ACTIVITIES:    
Principal payments on capital lease obligations (34) (82)
Issuance of preferred stock, net 0 6,906
Issuance of common stock, net 6,209 0
Proceeds from borrowings 923 4,440
Principal payment on note payable (148) (4,283)
Net cash flows provided by financing activities 6,950 6,981
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH 2 13
NET CHANGE IN CASH AND CASH EQUIVALENTS 700 (435)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 1,609 1,626
CASH AND CASH EQUIVALENTS AT END OF PERIOD 2,309 1,191
Cash paid during the period for:    
Interest 222 147
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION    
Conversion of convertible promissory notes $ 1,012 $ 0