Commitments and Contingencies (Details Textual) (USD $)	6 Months Ended				1 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Heston [Member] Suits	Jun. 30, 2012 Turner [Member]	Apr. 20, 2012 Turner [Member]	Mar. 31, 2012 Turner [Member] Maximum [Member]	Mar. 31, 2012 Turner [Member] Minimum [Member]
Commitments and Contingencies (Textual) [Abstract]
Number of lawsuits dismissed		163
Number of law suits against Company		36
Jury decision against company			$ 10,000,000
Jury award value					10,000,000	4,400,000
Jury decision against company which adjusted to award				5,500,000
Benefit on reversal of accrued litigation			2,200,000
Benefit on reversal of accrued litigation leaving a reserve			1,100,000
Commitments and Contingencies (Additional Textual) [Abstract]
Product liability insurance coverage limit, minimum	5,000,000
Product liability insurance coverage limit, maximum	10,000,000
Product liability insurance coverage per incident deductibles, minimum	10,000
Product liability insurance coverage per incident deductibles, maximum	1,000,000
Product liability insurance coverage	10,000,000
Product liability, uninsured exposure	$ 1,100,000