Accounts Payable and Accrued Liabilities (Schedule of other accrued expenses) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Accrued compensation related expenses	$ 1,350	$ 5,412
Accounts payable	1,436	2,225
Litigation settlement accrual	390	390
Sales and marketing	350	324
Accrued interest	322	324
Depletion allowance	290	608
Production and farming	209	307
Contingent liability related to Seven Hills Winery	136	308
Acquisition of property and equipment	85	264
Other accrued expenses	378	161
Total accounts payable and accrued liabilities	$ 4,946	$ 10,323