Commitments and Contingencies (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Commitments and Contingencies (Details) [Line Items]
Operating Lease, Impairment Loss	$ 253,000
Operating Leases, Rent Expense		$ 875,000	$ 564,000
Office Space In San Francisco California [Member] | The First Lease [Member]
Commitments and Contingencies (Details) [Line Items]
Lease Expiration Date		Apr. 30, 2020
Office Space In San Francisco California [Member] | Remaining Three Leases [Member]
Commitments and Contingencies (Details) [Line Items]
Lease Expiration Date		Aug. 31, 2019
Office Space In Alpharetta Georgia [Member]
Commitments and Contingencies (Details) [Line Items]
Lease Expiration Date		Feb. 28, 2021