VALUATION AND QUALIFYING ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block]

	Deducted from Assets
	Doubtful Accounts			Returns and Allowances			Total
	(Dollars in thousands)
BALANCE, DECEMBER 31, 2011	$	1,415		$	944		$	2,359
Add – Additions charged to earnings		175			2,954			3,129
Deduct – Charges for purposes for which reserves were established		(319	)		(2,750	)		(3,069	)
BALANCE, DECEMBER 31, 2012	$	1,271		$	1,148		$	2,419
Add – Additions charged to earnings		132			2,974			3,106
Deduct – Charges for purposes for which reserves were established		(170	)		(3,062	)		(3,232	)
BALANCE, DECEMBER 31, 2013	$	1,233		$	1,060		$	2,293
Add – Additions charged to earnings		240			3,299			3,539
Deduct – Charges for purposes for which reserves were established		(246	)		(3,202	)		(3,448	)
BALANCE, DECEMBER 31, 2014	$	1,227		$	1,157		$	2,384