XML 69 R7.htm IDEA: XBRL DOCUMENT v2.4.1.9
Consolidated Statements of Shareholders' Equity (Parentheticals) (Common Stock [Member])
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Common Stock [Member]
     
Exercise of stock options and employee stock purchases, shares 7,000us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
12,000us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
36,000us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember