Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash, cash equivalents and restricted cash	$ 8,688	$ 8,047
Short-term investments	20,315	38,093
Accounts receivable, less allowance for doubtful accounts of $306 at September 30, 2019 and $807 at December 31, 2018	8,425	11,266
Inventories	17,883	18,163
Contract assets	8,513	5,624
Other current assets	2,290	2,146
Current assets of discontinued operations	239	1,205
Total current assets	66,353	84,544
Machinery and equipment	40,525	36,725
Less: Accumulated depreciation	26,867	25,303
Net machinery and equipment	13,658	11,422
Goodwill	9,551	10,808
Intangible assets, net		2,585
Operating lease right of use assets, net	4,749
Investment in partnerships	1,409	2,091
Long-term investments	13,764
Other assets, net	6,196	3,427
Noncurrent assets of discontinued operations		371
Total assets	115,680	115,248
Current liabilities:
Current financing leases	108
Current operating leases	1,790
Accounts payable	11,407	12,871
Accrued salaries, wages and commissions	3,063	4,409
Other accrued liabilities	4,033	4,031
Liabilities of discontinued operations	393	336
Total current liabilities	20,794	21,647
Noncurrent financing leases	55
Noncurrent operating leases	3,296
Other postretirement benefit obligations	343	377
Accrued pension liabilities	725	706
Other long-term liabilities	1,162	544
Total liabilities	26,375	23,274
Commitments and contingencies
Shareholders' equity:
Common stock, $1.00 par value per share; 20,000 shares authorized; 8,778 and 8,664 shares issued and outstanding at September 30, 2019 and December 31, 2018, respectively	8,778	8,664
Additional paid-in capital	86,358	84,999
Accumulated deficit	(5,054)	(509)
Accumulated other comprehensive loss	(524)	(927)
Total shareholders' equity	89,558	92,227
Non-controlling interest	(253)	(253)
Total equity	89,305	91,974
Total liabilities and equity	$ 115,680	$ 115,248