Commitments and Contingencies (Details) (Breach of Loan Agreements [Member], Pending Litigation [Member], Texas Fifth Court of Appeals [Member], USD $)	6 Months Ended
	Jun. 30, 2012
Breach of Loan Agreements [Member] | Pending Litigation [Member] | Texas Fifth Court of Appeals [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Tenant Improvements	$ 250
Loss Contingency, Damages Sought, Courts Exclusive Judgement, Exlcusive Model 1	2,200
Loss Contingency, Damages Sought, Courts Exclusive Judgement, Exlcusive Model 2	25,600
Long-term Purchase Commitment, Amount	160,000
Loss Contingency, Damages Sought, Attorneys Fees	$ 2,100