Consolidated Balance Sheets (Parentheticals) - shares	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Common Stock Shares Authorized	100,000,000	100,000,000	100,000,000
Common Stock, Shares, Outstanding	27,493,000	27,427,000	27,332,000
Common Stock, Shares, Issued	27,493,000	27,427,000	27,332,000