Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current Assets:
Cash	$ 3,381	$ 462
Accounts receivable - less allowances of $0 in 2016 and $56 in 2015	881	931
Inventories	676	1,006
Prepaid expenses and other current assets	82	72
Total Current Assets	5,020	2,471
Property, plant and equipment, net	160	115
Total Assets	5,180	2,586
Current Liabilities:
Accounts payable	124	152
Accrued liabilities	906	907
Total Current Liabilities	1,030	1,059
Commitments and Contingencies (Note 12)
Stockholders' Equity:
Common stock, par value $0.01 per share, authorized 75,000,000; 10,026,136 issued in both 2016 and 6,263,975 issued in 2015	100	63
Additional paid-in capital	138,794	135,839
Accumulated deficit	(120,980)	(120,621)
Common stock in treasury, at cost, 1,015,493 shares in 2016 and 1,005,092 shares in 2015	(13,764)	(13,754)
Total stockholders' equity	4,150	1,527
Total Liabilities and Stockholders' Equity	$ 5,180	$ 2,586

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.