Note 5 - Inventories

6 Months Ended

Jun. 30, 2017

Notes to Financial Statements

Inventory Disclosure [Text Block]

( 5 ) Inventories

Inventories are stated at the lower of cost or net realizable value using the average cost method. Inventories consist of the following (in thousands):

	June 30, 2017		December 31, 2016
Raw materials	$	62		59
Work in process		16		—
Finished goods		115		76
Total	$	193		135

Write downs for excess or expired inventory are based on management’s estimates of forecasted usage of inventories and are included in cost of goods sold. A significant change in the timing or level of demand for certain products as compared to forecasted amounts

may

result in recording additional write downs for excess or expired inventory in the future. Charges to cost of goods sold for inventory write-downs, scrap, shrinkage and expired inventories totaled approximately

$1,000

and

$19,000

for the

three

months ended

June 30, 2017

and

2016,

respectively, and approximately

$10,000

and

$37,000

for the

six

months ended

June 30, 2017

and

2016,

respectively.