Contingencies and Commitments (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum rent and estimated operating cost commitment, net of lease inducements

The total minimum rent and estimated operating cost commitment, net of lease inducements, for our head office and leased facilities in Warminster, Pennsylvania is as follows, in thousands:

Year ended December 31, 2019	$	746
Year ended December 31, 2020	766
Year ended December 31, 2021	787
Year ended December 31, 2022 and after	3,813
	$	6,112