4. Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory

(In thousands)		December 31,
		2016		2015
Raw materials	$	5,235	$	6,310
Work in progress		1,636		4,168
Finished goods		4,587		3,552
Supplies		717		784
Total Inventories		12,175		14,814
Inventory reserve		(399)		(826)
Net Inventories	$	11,776	$	13,988