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Provision For Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Provision For Income Taxes [Abstract]      
Accumulated depreciation and amortization from purchase accounting adjustments $ (3,408,516) $ (3,671,285) $ (3,601,105)
Capital loss carry-forwards 167,690 167,690 271,568
Total non-current net deferred tax liabilities (3,240,826) (3,503,595) (3,329,537)
Unrealized (gains) losses on investments (21,407) 6,890 12,377
Impairment of investments 0 15,673 0
Inventory 242,200 220,408 250,297
Allowance for doubtful accounts and discounts 200,098 4,350 131,702
Allowance for promotions 0   0
Capital loss carry-back 91,369 91,369 0
Total current deferred tax assets 512,260 338,690 394,376
Total current deferred tax assets $ (2,728,566) $ (3,164,905) $ (2,935,161)