Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 363	$ 667
Restricted cash	632	595
Accounts receivable, less allowance for doubtful accounts of $190 at June 30, 2017 and $170 at December 31, 2016	8,208	7,289
Inventories	13,976	12,343
Other current assets	1,074	957
Current assets of discontinued operations		123
Total current assets	24,253	21,974
Machinery and equipment	40,522	40,152
Less: Accumulated depreciation	34,165	33,546
Net machinery and equipment	6,357	6,606
Goodwill	10,555	10,555
Intangible assets, net	2,817	2,920
Investment in partnerships	226	146
Other assets, net	1,751	1,557
Total assets	45,959	43,758
Current liabilities:
Current maturities of long-term debt	2,389	2,346
Accounts payable	8,825	6,722
Accrued salaries, wages and commissions	2,868	2,413
Other accrued liabilities	1,961	1,914
Liabilities of discontinued operations		123
Total current liabilities	16,043	13,518
Long-term debt, less current maturities	8,823	9,284
Other postretirement benefit obligations	479	501
Accrued pension liabilities	744	737
Other long-term liabilities	714	707
Total liabilities	26,803	24,747
Commitments and contingencies (note 11)
Shareholders' equity:
Common stock, $1.00 par value per share; 20,000 shares authorized; 6,849 and 6,820 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively	6,849	6,820
Additional paid-in capital	21,908	21,383
Accumulated deficit	(8,451)	(8,633)
Accumulated other comprehensive loss	(864)	(1,014)
Total shareholders' equity	19,442	18,556
Non-controlling interest	(286)	455
Total equity	19,156	19,011
Total liabilities and equity	$ 45,959	$ 43,758