Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Sep. 30, 2016	Mar. 31, 2016
Allowance for doubtful accounts	$ 25,000	$ 25,000
Accumulated depreciation	20,496	77,690
Accumulated amortization	$ 8,546	$ 155,062
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.0005	$ 0.0005
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	67,008,502	67,008,502
Common stock, shares outstanding (in shares)	67,008,502	67,008,502