Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Cash and cash equivalents	$ 21,279	$ 27,321
Accounts receivable, less allowance for credit losses of $1,190 and $1,186, respectively	39,068	41,970
Inventories	28,106	25,365
Prepaid expenses and other current assets	9,805	8,029
Total current assets	98,258	102,685
Noncurrent assets:
Property, plant and equipment, net of accumulated depreciation of $27,827 and $26,421, respectively	31,692	32,333
Deferred tax asset	1,474	1,371
Other assets	18,868	18,324
Intangible assets	97,401
Goodwill	188,050	181,760
Total assets	435,743	433,348
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	6,270	5,747
Accrued payroll and benefits	10,426	17,858
Unearned revenues	15,077	14,710
Other accrued expenses	16,070	24,601
Term loan, current portion	4,219	3,750
Convertible notes, current portion, net of debt issuance costs	97,432	97,297
Total current liabilities	149,494	163,963
Noncurrent liabilities:
Deferred tax liability	21,563	20,181
Other noncurrent liabilities	12,657	12,472
Noncurrent portion	65,533	66,902
Revolving line of credit	14,000	10,000
Total liabilities	263,247	273,518
Stockholders’ equity:
Common stock, no par value; authorized 25,000,000 shares; issued and outstanding, 5,501,454 and 5,455,421 shares, respectively	(361,361)	(358,541)
(Accumulated deficit)	(185,067)	(188,936)
Accumulated other comprehensive (loss)	(3,798)	(9,775)
Total stockholders’ equity	172,496	159,830
Total liabilities and stockholders’ equity	435,743	433,348
Customer Relationships [Member]
Noncurrent assets:
Intangible assets	73,524	72,880
Other Intangible Assets [Member]
Noncurrent assets:
Intangible assets	$ 23,877	$ 23,995