Sale of Property (Details) (Disposal Group [Member], USD $)	1 Months Ended		3 Months Ended	12 Months Ended
	May 31, 2011 sqft	Sep. 30, 2009	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Disposal Group [Member]
Sale of Property (Textual) [Abstract]
Purchase price of sale of facility		$ 2,747,000
Facility occupied to relocate corporate headquarters and Texas manufacturing facility from Grapevine, TX to DFW Airport	100,500
Relocation allowance to offset the moving costs					341,000
Moving expense against deferred revenue			211,768
Other income			129,232
Pay off the mortgage secured by the property	2,000,000
Invested for leasehold improvements and machinery and equipment				$ 875,000