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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (530) $ (1,100)
Adjustments to reconcile net loss to net cash provided by operations:    
Depreciation and amortization 686 764
Provision for doubtful accounts 0 2
Share-based compensation 39 24
Amortization of original issue discount (OID) 50 150
Gain on settlement of note payable and litigation (1,034) 0
Loss on debt refinancing 1,402 0
Changes in operating assets and liabilities:    
Accounts receivable (311) (184)
Inventory (2) (82)
Prepaid expenses and other assets (17) (172)
Accounts payable 181 (151)
Accrued expenses and other long-term obligations (286) 405
Deferred revenue (107) 420
Net cash provided by operating activities 71 76
CASH FLOWS FROM INVESTING ACTIVITIES:    
Net purchases of property and equipment (168) (140)
Collection of note receivable 5 0
Net cash used in investing activities (163) (140)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Payments on notes payable (16,248) (363)
Proceeds from notes payable 15,000 0
Payments on amendment of senior notes payable (704) (188)
Debt financing fees (575) 0
Insurance proceeds for settlement of notes payable dispute, net of expenses 373 0
Payments on capital leases (32) (24)
Net proceeds from exercise of options 21 5
Net cash used in financing activities (2,165) (570)
Effect of translation exchange rates (9) 45
Net increase (decrease) in cash and cash equivalents (2,266) (589)
Cash and equivalents at beginning of period 3,938 2,177
Cash and equivalents at end of period 1,672 1,588
SUPPLEMENTAL INFORMATION:    
Interest $ 484 $ 399