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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
CASH FLOWS USED IN OPERATING ACTIVITIES:    
Net loss $ (12,005) $ (6,014)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation and amortization 2,102 1,570
Stock based compensation 168 556
Provision for losses on doubtful accounts 5,205 1,649
Provision for losses on inventory obsolescence 19 88
Warrant revaluation (600) (1,000)
Loss on sale of fixed assets 9 0
Gain on foreign currency settlement (62) 0
Changes in operating assets and liabilities:    
Accounts receivable (1,539) (2,153)
Inventories 589 (616)
Other current assets (268) (377)
Accounts payable (145) (1,113)
Accrued expenses 32 (403)
Other liabilities 163 3
Deferred income taxes 0 33
Net cash flows used in operating activities (6,332) (7,777)
CASH FLOWS USED IN INVESTING ACTIVITIES:    
Purchases of property and equipment (510) (641)
Purchases of short term investments 0 (8,994)
Acquisition (849) (3,394)
Other assets (238) (345)
Net cash flows used in investing activities (1,597) (8,378)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES:    
Principal payments on capital lease obligations (264) (244)
Issuance of common stock, net of issuance costs 7,570 17,483
Payment of deferred financing costs (241) 0
Proceeds from borrowings 6,560 0
Principal payment on note payable (6,171) (1,317)
Net cash flows provided by financing activities 7,454 15,922
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH (6) 34
NET CHANGE IN CASH AND CASH EQUIVALENTS (481) (199)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 4,497 4,946
CASH AND CASH EQUIVALENTS AT END OF PERIOD 4,016 4,747
Cash paid during the period for:    
Interest 615 753
Income taxes, net 0 2
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION    
Acquisition of equipment through capital leases 0 175
Dividends accrued on preferred stock 544 495
Note payable converted to equity 0 3,000
Deferred financing costs in accounts payable $ 0 $ 0