Inventories

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories:

Inventories are stated at the lower of cost (first‑in, first‑out) or market and include material, labor and manufacturing overhead. When required, provisions are made to reduce excess and obsolete inventories to their estimated net realizable value. Inventories consist of the following (in thousands):

	March 31, 2017		December 31, 2016
Purchased materials	$	107	$	148
Finished goods	2,409		2,422
	$	2,516	$	2,570