Sale of Property (Details) (Disposal Group [Member], USD $)	1 Months Ended	3 Months Ended	12 Months Ended
	May 31, 2011 sqft	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Disposal Group [Member]
Sale of Property (Textual) [Abstract]
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