Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities
Net loss	$ (1,694)	$ (26,264)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation and software amortization	3,615	5,341
Restructuring	3,195	5,742
Stock-based compensation	764	1,074
Net pension (payment) cost	(7,134)	1,838
Deferred income taxes	(244)	996
Changes in assets and liabilities, net of dispositions:
(Increase) decrease in accounts receivable, net and contract assets	(931)	16,825
Decrease in inventory	308	94
(Increase) decrease in prepaid expenses, income tax receivable and other current assets	(3,777)	20,439
Decrease in accounts payable and accrued expense	(997)	(13,750)
Decrease in other accrued expenses and liabilities	(945)	(238)
Net cash (used in) provided by operating activities	(7,840)	12,097
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(2,699)	(2,895)
Proceeds from the sale of property, plant and equipment	1,924	300
Net cash used in investing activities	(775)	(2,595)
Cash Flows from Financing Activities
Borrowings	10,000	4,500
Repayment of borrowings	(1,600)
Debt financing costs	(653)	(616)
Issuance of common stock		(6)
Payment of finance leases	(412)	(807)
Treasury stock activities	(22)	15
Net cash provided by financing activities	7,313	3,086
Effect of exchange rate changes on cash, cash equivalents and restricted cash	742	652
Net (decrease) increase in cash and cash equivalents and restricted cash	(560)	13,240
Cash and cash equivalents and restricted cash at beginning of year	34,122	20,882
Cash and cash equivalents and restricted cash at end of year	33,562	34,122
Supplemental disclosures
Cash paid for interest	652	875
Cash received for income taxes, net of payments	9,216	19,405
Non-cash investing and financing activities
Purchases of property, plant and equipment included in accounts payable and accrued expense	$ 1,965	$ 800