XML 58 R41.htm IDEA: XBRL DOCUMENT

Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Income Taxes [Abstract]
Vacation accrual	$ 134,214	$ 126,453
Inventory reserve	103,540	108,990
Depreciation	(4,756)	9,245
Stock-based compensation deductions	145,592	145,418
Unrealized gain on marketable securities	(888,836)	(620,500)
Other	69,510	93,522
Net deferred tax liabilities	$ (440,736)	$ (136,872)

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on trading securities.