Consolidated Balance Sheets (Parentheticals) - shares shares in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Document Period End Date	Jun. 30, 2015
Common Stock, Shares, Outstanding	27,363	27,284	27,147
Common Stock, Shares Authorized	100,000	100,000	100,000