Fair Value of Assets and Liabilities (Details Textual) (USD $)	Jun. 30, 2013
Fair Value, Inputs, Level 1 [Member] | Corporate Equity [Member]
Security Owned Not Readily Marketable, Fair Value	$ 1,112,000
Fair Value, Inputs, Level 3 [Member] | Corporate Equity [Member]
Security Owned Not Readily Marketable, Fair Value	285,000
Fair Value, Inputs, Level 3 [Member] | Warrant [Member]
Security Owned Not Readily Marketable, Fair Value	366,000
Fair Value, Inputs, Level 3 [Member] | Underwriters Purchase Option [Member]
Security Owned Not Readily Marketable, Fair Value	$ 28,000