Note 4 - Inventories

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

4.

INVENTORIES

Inventories consist of raw materials, work-in-process and finished goods and are stated at the lower of cost or market using the

first

-in,

first

-out (FIFO) method or through the moving average cost method. At

March 

31,

2019

and

December 

31,

2018,

accrued liabilities included

$1.2

million and

$1.7

million of accrued inventory payable, respectively. At

March 

31,

2019

and

December 

31,

2018,

inventory by category is valued net of reserves and consists of:

	March 31,			December 31,
(in thousands)	2019			2018
Finished goods	$	9,367		$	10,143
Raw materials		3,309			4,200
Work-in-process		1,318			1,194
Inventory reserves		(2,652	)		(2,495	)
Total inventories	$	11,342		$	13,042