Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2015	Mar. 31, 2015
Stockholders' Equity:
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (shares)	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	250,000,000	250,000,000
Common stock, shares issued	53,059,000	52,562,000
Treasury stock, shares	306,000	266,000