Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 16,081	$ 8,523
Restricted cash	647	639
Short-term investment securities	14,176	23,451
Accounts receivable, less provision for doubtful accounts of $365 at September 30, 2020 and $325 at December 31, 2019	9,192	8,993
Inventories	20,463	16,377
Contract assets	10,592	10,237
Other current assets	1,426	1,975
Current assets of discontinued operations		80
Total current assets	72,577	70,275
Machinery and equipment	45,083	41,073
Less: Accumulated depreciation	30,915	27,522
Net machinery and equipment	14,168	13,551
Goodwill	13,714	9,551
Intangible assets	11,282	5,545
Operating lease right-of-use assets, net	3,812	4,372
Investment in partnerships	623	1,160
Long-term investment securities		8,629
Other assets, net	289	510
Total assets	116,465	113,593
Current liabilities:
Current financing leases	34	101
Current operating leases	1,512	1,729
Accounts payable	8,340	9,876
Accrued salaries, wages and commissions	4,271	2,274
Other accrued liabilities	4,429	2,869
Liabilities of discontinued operations		77
Total current liabilities	18,586	16,926
Noncurrent financing leases	2	30
Noncurrent operating leases	2,475	2,937
Other postretirement benefit obligations	349	382
Accrued pension liabilities	667	655
Deferred tax liabilities, net	1,104
Other long-term liabilities	3,790	2,171
Total liabilities	26,973	23,101
Commitments and contingencies (Note 18)
Shareholders' equity:
Common stock, $1.00 par value per share; 20,000 shares authorized; 8,943 and 8,781 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	8,943	8,781
Additional paid-in capital	88,908	86,770
Accumulated deficit	(7,902)	(4,286)
Accumulated other comprehensive loss	(474)	(520)
Total shareholders' equity	89,475	90,745
Non-controlling interest	17	(253)
Total equity	89,492	90,492
Total liabilities and equity	$ 116,465	$ 113,593