Note 12 - Supplemental Cash Flow Information and Non-cash Activity (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Six Months Ended June 30,
	2021		2020
Cash paid during the period for:
Interest	$	5,884	$	6,048
Income taxes		1,824		5,448
Non-cash items from investing and financing activities:
Exchange of Old Notes for ION common stock		11,755		—
Restructuring transaction costs in accounts payable		902		—

Schedule of Cash and Cash Equivalents [Table Text Block]

	June 30,
	2021			2020
	(In thousands)
Cash and cash equivalents	$	26,731		$	62,540
Restricted cash included in prepaid expenses and other current assets		2,327	(d)		75
Total cash, cash equivalents, and restricted cash shown in consolidated statements of cash flows	$	29,058		$	62,615