Litigation Funding Agreement (Details) - USD ($)		6 Months Ended
	May 20, 2019	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2017
Litigation Funding Commitment [Abstract]
Repayment of litigation funding agreement		$ 3,672,000	$ 0
Amendment [Member]
Litigation Funding Commitment [Abstract]
Maximum amount of litigation proceeds to be distributed to the Company		$ 7,500,000
Percentage of distribution ratio		75.00%
Amendment [Member] | Maximum [Member]
Litigation Funding Commitment [Abstract]
Percentage of distribution ratio up to maximum amount to the Company		100.00%
R. A. Bianco [Member]
Litigation Funding Commitment [Abstract]
Litigation fund				$ 7,000,000
Repayment of litigation funding agreement	$ 3,672,000
R. A. Bianco [Member] | Amendment [Member]
Litigation Funding Commitment [Abstract]
Percentage of distribution ratio		25.00%
R. A. Bianco [Member] | Original LFA [Member] | Minimum [Member]
Litigation Funding Commitment [Abstract]
Percentage of distribution ratio		30.00%
R. A. Bianco [Member] | Original LFA [Member] | Maximum [Member]
Litigation Funding Commitment [Abstract]
Percentage of distribution ratio		45.00%