(4) Fair Value Measurements (Details Narrative) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Money Market Funds - Level 1	$ 12,610,504	$ 4,285,309
Government Securities and Corporate Debt Securities - Level 2	5,764,839	10,530,942
Derivatives at fair value - Level 3	170,337	0
Money Market Funds
Money Market Funds - Level 1	12,610,504	4,285,309
Derivatives
Derivatives at fair value - Level 3	170,337
Fair Value, Inputs, Level 1
Money Market Funds - Level 1	12,610,504	4,285,309
Fair Value, Inputs, Level 1 | Money Market Funds
Money Market Funds - Level 1	12,610,504	4,285,309
Fair Value, Inputs, Level 1 | Derivatives
Derivatives at fair value - Level 3	0
Fair Value, Inputs, Level 2
Government Securities and Corporate Debt Securities - Level 2	5,764,839	10,530,942
Fair Value, Inputs, Level 2 | Money Market Funds
Money Market Funds - Level 1	0	0
Fair Value, Inputs, Level 2 | Government Securities and Corporate Debt Securities
Government Securities and Corporate Debt Securities - Level 2	5,764,839	10,530,942
Fair Value, Inputs, Level 2 | Derivatives
Derivatives at fair value - Level 3	0
Fair Value, Inputs, Level 3
Derivatives at fair value - Level 3	170,337	0
Fair Value, Inputs, Level 3 | Money Market Funds
Money Market Funds - Level 1	0	0
Fair Value, Inputs, Level 3 | Derivatives
Derivatives at fair value - Level 3	$ 170,337