Prepaid expenses and other current assets (Details) (USD $)	Jun. 30, 2012	Mar. 31, 2012
Prepaid expenses and other current assets [Abstract]
Prepaid production costs	$ 196,200	$ 93,100
Prepaid shipping and freight	9,110	14,225
Prepaid license fees	21,676	37,549
Prepaid insurance	56,155	45,385
Prepaid investor relations fees		45,000
Prepaid expenses - other	26,992	26,904
Prepaid expenses and other current assets	$ 310,133	$ 262,163

The total of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, and the aggregate carrying amount of current assets, as of the balance sheet date, not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Carrying amount as of the balance sheet date of unamortized costs of insurance coverage, which will be charged against earnings ratably over the period in which contractually agreed upon coverage's will be in effect; such periods expire within one year or the normal operating cycle, if longer.

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