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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:    
Net loss $ (3,586,000) $ (2,696,000)
Adjustments to reconcile net loss to net cash flows provided by (used in) operating activities:    
Depreciation and amortization 744,000 513,000
Non-cash, stock based compensation 164,000 273,000
Provision for losses on doubtful accounts 1,581,000 474,000
Provision for losses on inventory obsolescence 0 1,000
Warrant revaluation (400,000) 0
Gain (Loss) on Disposition of Assets 9,000 0
Foreign Currency Transaction Gain (Loss), before Tax (62,000) 0
Changes in operating assets and liabilities:    
Accounts receivable (1,474,000) 448,000
Inventories 212,000 (128,000)
Prepaid expenses and other current assets (157,000) (204,000)
Accounts payable (720,000) (1,057,000)
Accrued expenses 356,000 (292,000)
Other long term liabilities (1,000) (97,000)
Long term deferred income taxes 0 5,000
Net cash flows used in operating activities (3,334,000) (2,760,000)
CASH FLOWS USED IN INVESTING ACTIVITIES:    
Purchase of property and equipment (87,000) (198,000)
Acquisition of intangible assets (849,000) 0
Change in other assets (127,000) (67,000)
Net cash flows used in investing activities (1,063,000) (265,000)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES:    
Principal payments on capital lease obligations (104,000) (52,000)
Issuance of common stock and warrants, net 7,570,000 17,483,000
Payments of Financing Costs (60,000) 0
Proceeds from Notes Payable 6,433,000 0
Principal payment on note payable (6,171,000) (82,000)
Net cash flows provided by (used in) financing activities 7,668,000 17,349,000
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH (39,000) 21,000
NET CHANGE IN CASH AND CASH EQUIVALENTS 3,232,000 14,345,000
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 4,497,000 4,946,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD 7,729,000 19,291,000
Cash paid during the period for:    
Interest 262,000 495,000
Income taxes, net 0 2,000
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION    
Acquisition of equipment through capital leases 0 12,000
Dividends accrued on preferred stock 181,000 165,000
Note Payable converted to Equity 0 3,000,000
Deferred financing costs in accounts payable $ 197,000 $ 0