Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities:
Net income (loss)	$ 4,100	$ (18,600)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,200	4,100
Stock-based compensation	(300)	(100)
Change in noncontrolling interest		(4,600)
Loss on abandonment of unused property, plant and equipment		1,600
Goodwill impairment		3,800
Intangible assets impairment	6,300	2,700
Pension settlement and curtailments	(2,500)	1,400
Gain on sale of assets	(6,400)	(1,600)
Short term investment	700	21,300
Other, net	(200)	100
Changes in operating assets and liabilities:
Accounts receivable	300	1,900
Inventories	800	600
Other assets	(2,300)	(600)
Accounts payable	(700)	(1,000)
Other liabilities	(12,900)	(28,600)
Net cash used in operating activities	(10,500)	(7,400)
Cash Flows from Investing Activities:
Capital expenditures	(200)	(1,100)
Purchase of equity securities		(4,000)
Proceeds from sale of assets and businesses	5,300	2,000
Net cash provided by (used in) investing activities	5,100	(3,100)
Cash Flows from Financing Activities:
Purchase of treasury stock		(100)
Net cash used in financing activities		(100)
Net change in cash and cash equivalents	(5,400)	(10,600)
Cash and cash equivalents - beginning of year		21,300
Supplemental disclosures of cash paid during the period:
Income taxes (net of refunds received)	600
Supplemental disclosures of non-cash investing and financing activities:
Non-cash transaction with Clinton Group, Inc.		10,100
Current assets:
Cash and cash equivalents	4,900	8,700
Restricted cash included in other current assets		200
Non-current assets:
Restricted cash included in non-current assets of discontinued operations	400	1,700
Total cash, cash equivalents and restricted cash	$ 5,300	$ 10,700