Note 10 - Fair Value Measurements (Detail) - Fair Value, Level III Reconcilliation (USD $)	9 Months Ended
	Dec. 31, 2012
Balance at begining of period	$ 355,290
Gains and losses for the period (realized and unrealized)	(268,767)
Purchases, Issuances, sales and settlements, net	114,111
Transfers in or out of Level 3	200,634
Warrant Liability [Member]
Balance at begining of period	355,290
Gains and losses for the period (realized and unrealized)	(268,767)
Purchases, Issuances, sales and settlements, net	114,111	[1]
Transfers in or out of Level 3	$ 200,634

[1] $66,193 recorded as deferred debt expense and $47918 recorded as financing cost.