Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash, cash equivalents and restricted cash	$ 1,198	$ 1,017
Available for sale securities	45,042
Accounts receivable, less allowance for doubtful accounts of $700 at September 30, 2018 and $332 at December 31, 2017	13,591	9,052
Inventories	18,537	13,708
Contract assets	6,324	2,979
Other current assets	1,973	1,544
Total current assets	86,665	28,300
Machinery and equipment	39,321	40,124
Less: Accumulated depreciation	27,953	32,949
Net machinery and equipment	11,368	7,175
Goodwill	10,808	10,808
Intangible assets, net	2,624	2,740
Investment in partnerships	1,920	1,616
Other assets, net	3,628	3,835
Total assets	117,013	54,474
Current liabilities:
Current maturities of long-term debt	96	2,040
Accounts payable	15,030	10,423
Accrued salaries, wages and commissions	3,558	3,113
Other accrued liabilities	3,385	3,739
Total current liabilities	22,069	19,315
Long-term debt, less current maturities	95	9,321
Other postretirement benefit obligations	421	455
Accrued pension liabilities	771	772
Other long-term liabilities	3,053	3,172
Total liabilities	26,409	33,035
Commitments and contingencies (note 15)
Shareholders' equity:
Common stock, $1.00 par value per share; 20,000 shares authorized; 8,640 and 6,900 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively	8,640	6,900
Additional paid-in capital	84,509	21,581
Accumulated deficit	(1,377)	(6,056)
Accumulated other comprehensive loss	(889)	(733)
Total shareholders' equity	90,883	21,692
Non-controlling interest	(279)	(253)
Total equity	90,604	21,439
Total liabilities and equity	$ 117,013	$ 54,474