Due from / Due to Related Parties (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Schedule of Due From / Due To Related Parties
Total Due from Related Parties	$ 669	$ 679
Deep Value GP [Member]
Schedule of Due From / Due To Related Parties
Total Due from Related Parties	75	29
Deep Value GP II [Member]
Schedule of Due From / Due To Related Parties
Total Due from Related Parties	64	61
Star Asia Manager [Member]
Schedule of Due From / Due To Related Parties
Total Due from Related Parties	28	50
Cohen Brothers Financial, LLC [Member]
Schedule of Due From / Due To Related Parties
Total Due from Related Parties	86	306
Employees and other [Member]
Schedule of Due From / Due To Related Parties
Total Due from Related Parties	$ 416	$ 233