Fair Value Disclosures (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Fair Value Disclosures (Textual) [Abstract]
Impairment write-down of assets held		$ (494,822)
Fair Value Disclosures (Additional Textual) [Abstract]
Transfer between levels	0	0
Formerly owned, Vacant Phoenix, AZ Property [Member]
Fair Value Disclosures (Textual) [Abstract]
Impairment write-down of assets held	$ 142,747

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

No definition available.

Name:	us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration