Leases - Component of Lease Expense, Supplemental Cash Flow Information and Supplemental Balance Sheet Information Related to Leases (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Total component lease expense was as follows (in thousands):
Operating leases	$ 767
Supplemental cash flow information related to leases was as follows (in thousands):
Cash paid for amounts included in the measurement of lease liabilities	1,024
Operating leases:
Right of use	702
Current portion of operating lease liability	835
Operating lease liability, net of current portion	107
Total operating lease liabilities	$ 942
Weighted Average Remaining Lease Term	1 year 1 month 6 days
Weighted Average Discount Rate	7.00%