Note 2 - Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Note 2 - Significant Accounting Policies (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	5,600,000	0	5,600,000	0
Electronic Products [Member]
Note 2 - Significant Accounting Policies (Details) [Line Items]
Warranty Term			90 days
Electronic Controllers for Spas and Hot Tubs [Member]
Note 2 - Significant Accounting Policies (Details) [Line Items]
Warranty Term			5 years
Maximum [Member]
Note 2 - Significant Accounting Policies (Details) [Line Items]
Product Warranty Expense (in Dollars)			$ 500	$ 500