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Consolidated Balance Sheets (Parentheticals) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock (dollars per share)	$ 0.1	$ 0.1
Preferred shares authorized (in shares)	10,000,000	10,000,000
Common stock (in dollars per share)	$ 0.1	$ 0.1
Common shares authorized (in shares)	100,000,000	100,000,000
Common shares issued (in shares)	30,475,744	30,465,522
Common stock outstanding (in shares)	30,475,744	30,465,522

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Face amount or stated value per share of common stock.

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