Accounts Payable and Other Accrued Liabilities (Details 2) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Accounts payable and other accrued liabilities
Accrued employee compensation and benefits	$ 1,041,000	$ 648,000
Key Employee Long Term Incentive Plan [Member] | Units [Member]
Accounts payable and other accrued liabilities
Accrued employee compensation and benefits	$ 198,000	$ 81,000