Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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+ Details

Liquidity and Capital Resources (Details) (USD $)	1 Months Ended	6 Months Ended
Liquidity and Capital Resources (Details) (USD $)	Feb. 29, 2012	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Liquidity and Capital Resources
Working capital		$ 3,800,000
Cash on hand		4,198,890	4,911,350	5,564,198	5,575,310
Net proceeds from issuance of common stock and warrants	1,100,000
Stock issuance as percentage of the company's issued and outstanding stock		20.00%
Common shares remain available for issuance		2,695,350
Minimum
Liquidity and Capital Resources
Amount expected to be expended to support planned development operations over next 12 months		3,000,000
Maximum
Liquidity and Capital Resources
Amount expected to be expended to support planned development operations over next 12 months		$ 5,000,000