(1) Summary of Significant Accounting Policies (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Notes to Financial Statements
Goodwill	$ 4,150,339	$ 4,150,339
Other intangible assets
Gross carrying amount	3,190,369	3,128,588
Accumulated amortization	3,011,391	2,954,162
Net carrying amount	$ 178,978	$ 174,426