v2.4.0.6
Note 8 - Income Taxes (Detail) - Significant components of the Company’s deferred tax assets and liabilities: (USD $)
Dec. 31, 2012
Dec. 31, 2011
Deferred tax assets:    
Net operating losses $ 56,463,000 $ 46,308,000
Deferred revenue 1,665,000 1,532,000
Accounts receivable and inventory reserves 1,449,000 3,019,000
Returns reserve 791,000 1,196,000
Accrued expenses 241,000 454,000
Interest expense 173,000  
Deferred rent liability 157,000 143,000
Stock option expenses 148,000 59,000
Other accruals 2,000 12,000
Total deferred tax assets 61,089,000 52,723,000
Deferred tax liabilities:    
Depreciation and amortization expense (906,000) (880,000)
Total deferred tax liabilities (906,000) (880,000)
Net deferred tax assets before valuation allowance 60,183,000 51,843,000
Valuation allowance $ (60,183,000) $ (51,843,000)