Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 38,854	$ 94,977
Restricted cash	20	20
Accounts receivable, net of allowance of $2,193 and $1,993, respectively	52,931	49,426
Inventories	37,550	27,534
Prepaid expenses	7,250	4,878
Deposits and other	8,218	8,240
Total current assets	144,823	185,075
Property and equipment, net	75,426	74,916
Goodwill	287,069	285,546
Intangible assets	151,421	160,044
Deferred tax asset	7,499	7,333
Operating lease assets	12,257	12,503
Other assets	7,413	7,394
Total assets	685,908	732,811
Current liabilities
Accounts payable	18,828	9,439
Accrued liabilities	39,210	39,165
Current maturities of long-term debt	6,146	6,877
Total current liabilities	64,184	55,481
Long-term debt	551,825	599,281
Deferred tax liability, non-current	2,795	2,653
Operating lease liabilities, long-term	11,556	11,871
Other long-term liabilities	18,970	21,954
Total liabilities	649,330	691,240
Commitments and contingencies (Note 12)
Stockholders’ equity
Preferred stock at $0.01 par value; 50,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock at $0.01 par value; 450,000,000 shares authorized at June 30, 2022 and at December 31, 2021; and 37,121,715 and 36,943,770 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	371	369
Additional paid-in capital	397,785	392,161
Accumulated deficit	(355,951)	(344,889)
Accumulated other comprehensive loss	(5,627)	(6,070)
Total stockholders’ equity	36,578	41,571
Total liabilities and stockholders’ equity	$ 685,908	$ 732,811