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Operating Leases (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Summary of lease and operating expense
Lease and operating expenses	$ 167,872	$ 140,796	$ 338,251	$ 287,021
Future minimum lease payments under the operating leases
2012	224,000		224,000
2013	417,000		417,000
2014	397,000		397,000
2015	401,000		401,000
2016	$ 234,000		$ 234,000

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