Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended	12 Months Ended
	Jan. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Jun. 30, 2017
Loss Contingencies [Line Items]
Contingent Liability for Employee Severance Payments		$ 247
Dividends Payable		$ 348		$ 285
Scenario, Forecast [Member] | Spartan Advisors, Inc [Member]
Loss Contingencies [Line Items]
Incentive Transaction Bonus Description			(i) 1% of the total consideration paid by us for the Sourced Business in the Sourced Transaction and (ii) 7.5% of the Net Asset Value (as defined in the Consulting Agreement) of any subsequent sale of the Sourced Business by the Company. Each portion of the Incentive Transaction Bonus shall be paid in a lump sum cash payment no later than thirty (30) days following the consummation of the applicable transaction.
Accrued Professional Fees, Current			$ 85,000
Chief Executive Officer [Member] | Scenario, Forecast [Member]
Loss Contingencies [Line Items]
Separation Agreement Consulting Service Fee Description			(i) one payment of $218 on or about July1, 2018; and (ii) an aggregate of $218 payable in six (6) substantially equal monthly installments during the period beginning on July 1, 2018 through December 31, 2018.
Incentive Transaction Bonus Description			(i) 1% of the total consideration paid by us for the Sourced Business in the Sourced Transaction and (ii) 7.5% of the Net Asset Value (as defined in the Separation Agreement) of a subsequent sale of the Sourced Business by the Company that is consummated on or before the 5th anniversary of the closing of the Sourced Transaction.
Chief Executive Officer [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Payments For Severance	$ 558
Payments For Pro-rated Portion Of Maximum Award Payable	180
Other Payments	19
Accrued Bonuses	$ 200
Director [Member]
Loss Contingencies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		7,500
Due to Officers or Stockholders		$ 52
Dividends Payable		$ 7
Director [Member] | Restricted Stock [Member]
Loss Contingencies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		5,400
Minimum [Member]
Loss Contingencies [Line Items]
Terminated Employees Severance Compensation Period		6 years
Maximum [Member]
Loss Contingencies [Line Items]
Terminated Employees Severance Compensation Period		12 years