Commitments and Contingencies (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)
Street Capital Loan [Member]
Commitment And Contingencies [Line Items]
Future debt obligation payable in 2017	$ 0.7
Future debt obligation including accrued interest payable in 2018	$ 0.3
California office lease one
Commitment And Contingencies [Line Items]
Lease expiration period	2020-01
California office lease two
Commitment And Contingencies [Line Items]
Lease expiration period	2021-04
Illinois office lease
Commitment And Contingencies [Line Items]
Lease expiration period	2018-06
Arizona office lease
Commitment And Contingencies [Line Items]
Lease expiration period	2019-08
Automobile lease
Commitment And Contingencies [Line Items]
Lease expiration period	2017-06
Copier lease
Commitment And Contingencies [Line Items]
Lease expiration period	2018-10