ACCRUED LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2017

ACCRUED LIABILITIES [Abstract]

Accrued Liabilities

Accrued liabilities at December 31 are summarized as follows:

	2017		2016
	(thousands of dollars)
Accrued state taxes	$	272	$	81
Accrued payroll		1,407		1,097
Accrued interest		30		33
Accrued officer compensation		500		-
Other liabilities		1,752		806
Total	$	3,961	$	2,017