Note 5 - Income (Loss) Per Share (Tables)

3 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended		Three Months Ended
	June 30, 2015		June 30, 2014
Basic net income (loss) per share computation:
Net income(loss)	$	279,066	$	(384,005	)
Weighted-average common shares outstanding		3,256,887		3,251,387
Basic net  income (loss) per share	$	0.09	$	(0.12	)
Diluted net income (loss) per share computation
Net income (loss)	$	279,066	$	(384,005	)
Add: Change in fair value of warrants		198,000		-
Diluted income (loss)		81,066		(384,005	)
Weighted-average common shares outstanding		3,256,887		3,251,387
Incremental shares attributable to the assumed exercise      of outstanding stock options and warrants		63,555		-
Total adjusted weighted-average shares		3,320,442		3,251,387
Diluted net income (loss) per share	$	0.02	$	(0.12	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following table summarizes securities that, if exercised, would have an anti-dilutive effect on earnings per share:

	June 30, 2015		June 30, 2014
Stock options		99,500		93,500
Warrants		147,336		297,336
		246,836		390,836