Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Payables And Accruals [Abstract]
Due to auction clients	$ 3,113	$ 2,478
Sales and other taxes	293	342
Remuneration and benefits	2,112	957
Accounting, auditing and tax consulting	140	174
Customer deposits	600	102
Due to Joint Venture partners	1,367	247
Asset liquidation expenses	191	254
Interest expense	6	42
Other	279	423
Total accounts payable and accrued liabilities	$ 8,101	$ 5,019