Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Income (loss) from continuing operations	$ 2,302	$ (8,484)
Loss from discontinued operations	(118)	(91)
Net income (loss)	2,184	(8,575)
Adjustments to reconcile net income (loss) to cash provided by (used in)
Depreciation and amortization	2,810	2,485
Provision for allowance for doubtful accounts	374	61
Inventory lower-of-cost-or-market/NRV adjustments	982	224
Stock-based compensation expense (benefit)	564	(365)
Loss on asset dispositions	0	424
Loss on debt extinguishment	230	0
Deferred income taxes, net of valuation allowance	6,029	(2,439)
Other	329	(31)
Changes in operating assets and liabilities:
Trade receivables	20,265	23,880
Inventories	18,945	7,617
Prepaids and other assets	1,934	1,771
Income taxes receivable	(9,678)	(108)
Trade payables	(40,271)	(47,158)
Accrued liabilities and other liabilities, including warranty obligations	1,629	(2,277)
Net cash provided by (used in) operating activities	6,326	(24,491)
Cash flows from investing activities:
Proceeds from sales and maturities of available-for-sale securities	0	12,790
Purchases of property, plant and equipment	(1,694)	(1,551)
Purchases of other investments in non-controlled affiliates	0	(2,250)
Net cash (used in) provided by investing activities	(1,694)	8,989
Cash flows from financing activities:
Proceeds from long-term debt	44,142	236
Payments on long-term debt	(30,286)	(11,667)
Payments of debt issuance costs	(1,823)	0
Proceeds from exercise of stock options	0	39
Tax payments related to stock award issuances	(44)	(107)
Net cash provided by (used in) financing activities	11,989	(11,499)
Effect of exchange rate changes on cash and cash equivalents	(1,235)	(64)
Increase (decrease) in cash, cash equivalents and restricted cash	15,386	(27,065)
Cash, cash equivalents and restricted cash:
Cash and cash equivalents at beginning of period	11,070	38,125
Cash, cash equivalents and restricted cash at end of period	26,456	11,060
Supplemental disclosure of cash flow information:
Cash paid for interest	238	272
Cash paid for income taxes, net	43	62
Supplemental disclosure of non-cash investing activities:
Capital expenditures incurred but not yet paid	577	611
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Condensed Balance Sheets to the total of the same amounts shown above:
Total cash, cash equivalents and restricted cash	$ 26,456	$ 11,060