Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

	Year Ended March 31
	2016		2015		2014
Weighted average common shares outstanding – basic		4,850,209		4,855,504		4,851,460
Effect of dilutive securities:
Stock options		2,393		16,431		15,639
Warrants		-		-		592
Shares used in computing net income per share – diluted		4,852,602		4,871,935		4,867,691