CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Accounts receivable, net of allowances	$ 27	$ 7
Finite-lived intangible assets accumulated amortization	$ 621	$ 569
Common stock, par value	$ 0.01	$ 10
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	11,883	11,834
Common stock, shares outstanding	11,883	11,834
Inventory Valuation Reserves	$ 0	$ 32