Note 10 - Stock Repurchase Program	12 Months Ended
Mar. 31, 2016
Notes to Financial Statements
Stock Repurchase Plan Disclosure [Text Block]	NOTE 10. STOCK REPURCHASE PROGRAM Our authorized stock is stated as six million shares of common stock, $0.01 par value, and ten million shares of all types. Our Board may designate any series and fix any relative rights and preferences to authorized but undesignated stock. We repurchased $1,695,788 of our Common Stock in fiscal 2016 and $1,263,405 in Fiscal 2014. We did not repurchase any Common Stock in fiscal 2015. The repurchases were under a program announced January 21, 2009 authorizing the repurchase of up to $2,500,000 of our Common Stock and an additional $5,000,000 announced August 27, 2015. The remaining authorization was $4,540,806 as of March 31, 2016. The Repurchase Program may be modified or discontinued at any time without notice.

Note 10 - Stock Repurchase Program

12 Months Ended

Mar. 31, 2016

Stock Repurchase Plan Disclosure [Text Block]

NOTE 10. STOCK REPURCHASE PROGRAM

Our authorized stock is stated as six million shares of common stock, $0.01 par value, and ten million shares of all types. Our Board may designate any series and fix any relative rights and preferences to authorized but undesignated stock.

We repurchased $1,695,788 of our Common Stock in fiscal 2016 and $1,263,405 in Fiscal 2014. We did not repurchase any Common Stock in fiscal 2015. The repurchases were under a program announced January 21, 2009 authorizing the repurchase of up to $2,500,000 of our Common Stock and an additional $5,000,000 announced August 27, 2015. The remaining authorization was $4,540,806 as of March 31, 2016. The Repurchase Program may be modified or discontinued at any time without notice.