XML 16 R3.htm IDEA: XBRL DOCUMENT v3.3.1.900
Consolidated Balance Sheets (Parentheticals) - $ / shares
Dec. 31, 2015
Mar. 31, 2014
Statement of Financial Position [Abstract]    
Preferred stock, no par value (in dollars per share)
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Common stock, no par value (in dollars per share)
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 12,463,285 12,415,785
Common stock, shares outstanding 7,749,481 7,701,981
Treasury stock, shares 4,713,804