Note 6 - Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	December 31,
	201 8		201 7
Accounts payable - trade	$	1,944	$	666
Accrued legal-related fees		206		274
Accrued employee compensation		1,648		700
Accrued interest		-		434
Accrued production fees		255		447
Accrued utilities payable		344		677
Accrued taxes payable		101		172
Customer deposit		-		436
Other accrued liabilities *		376		205
Total accounts payable and accrued liabilities	$	4,874	$	4,011