SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2015

SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Components of Inventories

The components of inventories are as follows as of December 31, (amounts in thousands):

	2015			2014
Raw materials	$	11,262		$	6,457
Finished goods		12,380			14,714
Inventory reserves		(738	)		(618	)
LIFO reserve		(3,637	)		(4,672	)
	$	19,267		$	15,881

Summary of the Changes in AROs

A summary of the changes in AROs is included in the table below (amounts in thousands):

Asset retirement obligation at January 1, 2014	$	681
Accretion expense		31
Asset retirement obligation at December 31, 2014		712
Accretion expense		30
Liabilities incurred		190
Liabilities settled		(671	)
Asset retirement obligation at December 31, 2015	$	261

Components of Compensation Expense as a Result of Share-based Payments

Compensation expense is included in selling, general and administrative expense in the Consolidated Statements of Operations.  The components of compensation expense are as follows (amounts in thousands):

	2015			2014
Stock appreciation right (income) expense	$	(15	)	$	27

Assumptions for Expected Term, Volatility and Risk-free Rate

The assumptions for expected term, volatility and risk-free rate are presented in the table below as of December 31,:

	2015			2014
Expected term (years)		0.7 - 4.7			1.7 - 4.7
Volatility		178.4% -308.5	%		229.9% -338.9	%
Risk-free interest rate		0.6% - 1.7	%		0.5% - 1.6	%