Pay vs Performance Disclosure - USD ($)

12 Months Ended

Dec. 31, 2025

Dec. 31, 2024

Dec. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Pay vs Performance Disclosure

Pay vs Performance Disclosure, Table

	Summary	Summary
	Compensation	Compensation	Compensation	Compensation	Average	Average	Value of Initial Fixed $100
	Table Total	Table Total	Actually	Actually	Summary	Compensation	Investment Based On:
	for CEO	for CEO	Paid to	Paid to	Compensation	Actually		Peer Group		Adjusted
	Jagadeesh (Jag)	Robert	CEO Jagadeesh	CEO Robert D.	Table for Non-	Paid to Non-	Total	Total	Net Income	EBITDA
	A. Reddy	D. Kamphuis	(Jag) A. Reddy	Kamphuis	CEO NEOs(2)	CEO NEOs(2)	Shareholder	Shareholder	(in millions)	(in millions)
Fiscal Year	($)	($)	($)	($)	($)	($)	Return(3)	Return(3)	($)	($)
2025	3,183,288	—	2,482,205	—	1,139,884	554,098	139.49	131.18	(8.1)	47.1
2024	3,692,318	—	4,268,060	—	1,919,707	1,994,401	117.14	125.85	26.0	64.4
2023	2,956,326	—	2,820,325	—	1,799,020	1,878,498	107.45	117.81	7.8	66.1
2022 (1)	1,269,605	1,416,066	1,836,915	(1,346,967)	1,687,167	1,583,306	94.34	103.45	18.7	60.8
2021	—	3,919,201	—	5,051,860	1,402,350	1,643,440	111.10	125.27	(7.5)	46.2

(1) Robert D. Kamphuis was CEO during 2021 and retired as CEO effective September 30, 2022, and Jagadeesh A. Reddy was appointed CEO effective July 19, 2022.

(2) Non-CEO NEOs reflect the average Summary Compensation Table total compensation and average Compensation Actually Paid for the following executives by fiscal year:

2025: Rachele M. Lehr, Ryan F. Raber, Sean P. Leuba, Craig D. Nichols and Todd M. Butz. Mr. Butz left our Company effective June 30,

2025.

2024: Todd M. Butz and Ryan F. Raber

2023: Todd M. Butz, Ryan F. Raber and Randall P. Stille. Mr. Stille left our Company effective November 3, 2023.

2022: Todd M. Butz and Ryan F. Raber

2021: Todd M. Butz and Ryan F. Raber

(3) Total shareholder return is based on the value of an initial fixed investment of $100 in our common stock and the Company’s industry specific peer group, S&P SmallCap 600, as of December 31, 2020.

Deductions from, and additions to, total compensation in the Summary Compensation Table by year to calculate CAP include:

	Fiscal 2025		Fiscal 2024		Fiscal 2023		Fiscal 2022				Fiscal 2021
	CEO Jagadeesh		CEO Jagadeesh		CEO Jagadeesh		CEO Jagadeesh		CEO Robert D.		CEO Robert D.
	(Jag) A. Reddy		(Jag) A. Reddy		(Jag) A. Reddy		(Jag) A. Reddy		Kamphuis		Kamphuis
Total compensation from summary compensation table	$	3,183,288	$	3,692,318	$	2,956,326	$	1,269,605	$	1,416,066	$	3,919,201
Adjustments for equity awards
Adjustments for grant date values in the summary compensation table		(2,380,000)		(2,000,000)		(1,650,000)		(650,000)		—		(2,280,000)
Fair value of unvested awards granted in the current year		2,328,590		2,446,708		1,447,334		1,217,310		—		2,482,642
Change in year-end fair values for unvested awards granted in prior years		(516,115)		138,291		112,820		—		—		420,065
Fair values at vest date for awards granted and vested in current year		—		—		—		—		—		—
Change in fair values between prior year-end fair values and vest date fair values for awards granted in prior years		(133,558)		(9,257)		(46,155)		—		(1,521,442)		509,952
Forfeitures during current year equal to prior year-end fair value		—		—		—		—		(1,241,591)		—
Dividends or dividend equivalents not otherwise included in total compensation		—		—		—		—		—		—
Total adjustments for equity awards		(701,083)		575,742		(136,001)		567,310		(2,763,033)		1,132,659
Compensation actually paid (as calculated)	$	2,482,205	$	4,268,060	$	2,820,325	$	1,836,915		(1,346,967)	$	5,051,860

	Fiscal 2025		Fiscal 2024		Fiscal 2023		Fiscal 2022		Fiscal 2021
	Average Non-		Average Non-		Average Non-		Average Non-		Average Non-
	CEO NEOs (2)		CEO NEOs (2)		CEO NEOs (2)		CEO NEOs (2)		CEO NEOs (2)
Total compensation from summary compensation table	$	1,139,884	$	1,919,707	$	1,799,020	$	1,687,167	$	1,402,350
Adjustments for equity awards
Adjustments for grant date values in the summary compensation table		(618,000)		(971,000)		(776,667)		(790,000)		(575,000)
Fair value of unvested awards granted in the current year		483,734		1,187,882		681,272		1,052,009		626,113
Change in year-end fair values for unvested awards granted in prior years		(89,902)		46,263		68,636		(39,888)		83,275
Fair values at vest date for awards granted and vested in current year		—		—		—		—		—
Change in fair values between prior year-end fair values and vest date fair values for awards granted in prior years		(26,296)		(188,451)		266,032		(325,982)		106,703
Forfeitures during current year equal to prior year-end fair value		(335,322)		—		(159,795)		—		—
Dividends or dividend equivalents not otherwise included in total compensation		—		—		—		—		—
Total adjustments for equity awards		(585,786)		74,694		79,478		(103,861)		241,090
Compensation actually paid (as calculated)	$	554,098	$	1,994,401	$	1,878,498	$	1,583,306	$	1,643,440

Company Selected Measure Name

Adjusted EBITDA

Named Executive Officers, Footnote

(1) Robert D. Kamphuis was CEO during 2021 and retired as CEO effective September 30, 2022, and Jagadeesh A. Reddy was appointed CEO effective July 19, 2022.

(2) Non-CEO NEOs reflect the average Summary Compensation Table total compensation and average Compensation Actually Paid for the following executives by fiscal year:

2025: Rachele M. Lehr, Ryan F. Raber, Sean P. Leuba, Craig D. Nichols and Todd M. Butz. Mr. Butz left our Company effective June 30,

2025.

2024: Todd M. Butz and Ryan F. Raber

2023: Todd M. Butz, Ryan F. Raber and Randall P. Stille. Mr. Stille left our Company effective November 3, 2023.

2022: Todd M. Butz and Ryan F. Raber

2021: Todd M. Butz and Ryan F. Raber

Peer Group Issuers, Footnote

(3) Total shareholder return is based on the value of an initial fixed investment of $100 in our common stock and the Company’s industry specific peer group, S&P SmallCap 600, as of December 31, 2020.

Adjustment To PEO Compensation, Footnote

Deductions from, and additions to, total compensation in the Summary Compensation Table by year to calculate CAP include:

	Fiscal 2025		Fiscal 2024		Fiscal 2023		Fiscal 2022				Fiscal 2021
	CEO Jagadeesh		CEO Jagadeesh		CEO Jagadeesh		CEO Jagadeesh		CEO Robert D.		CEO Robert D.
	(Jag) A. Reddy		(Jag) A. Reddy		(Jag) A. Reddy		(Jag) A. Reddy		Kamphuis		Kamphuis
Total compensation from summary compensation table	$	3,183,288	$	3,692,318	$	2,956,326	$	1,269,605	$	1,416,066	$	3,919,201
Adjustments for equity awards
Adjustments for grant date values in the summary compensation table		(2,380,000)		(2,000,000)		(1,650,000)		(650,000)		—		(2,280,000)
Fair value of unvested awards granted in the current year		2,328,590		2,446,708		1,447,334		1,217,310		—		2,482,642
Change in year-end fair values for unvested awards granted in prior years		(516,115)		138,291		112,820		—		—		420,065
Fair values at vest date for awards granted and vested in current year		—		—		—		—		—		—
Change in fair values between prior year-end fair values and vest date fair values for awards granted in prior years		(133,558)		(9,257)		(46,155)		—		(1,521,442)		509,952
Forfeitures during current year equal to prior year-end fair value		—		—		—		—		(1,241,591)		—
Dividends or dividend equivalents not otherwise included in total compensation		—		—		—		—		—		—
Total adjustments for equity awards		(701,083)		575,742		(136,001)		567,310		(2,763,033)		1,132,659
Compensation actually paid (as calculated)	$	2,482,205	$	4,268,060	$	2,820,325	$	1,836,915		(1,346,967)	$	5,051,860

Non-PEO NEO Average Total Compensation Amount

$ 1,139,884

$ 1,919,707

$ 1,799,020

$ 1,687,167

$ 1,402,350

Non-PEO NEO Average Compensation Actually Paid Amount

$ 554,098

1,994,401

1,878,498

1,583,306

1,643,440

Adjustment to Non-PEO NEO Compensation Footnote

	Fiscal 2025		Fiscal 2024		Fiscal 2023		Fiscal 2022		Fiscal 2021
	Average Non-		Average Non-		Average Non-		Average Non-		Average Non-
	CEO NEOs (2)		CEO NEOs (2)		CEO NEOs (2)		CEO NEOs (2)		CEO NEOs (2)
Total compensation from summary compensation table	$	1,139,884	$	1,919,707	$	1,799,020	$	1,687,167	$	1,402,350
Adjustments for equity awards
Adjustments for grant date values in the summary compensation table		(618,000)		(971,000)		(776,667)		(790,000)		(575,000)
Fair value of unvested awards granted in the current year		483,734		1,187,882		681,272		1,052,009		626,113
Change in year-end fair values for unvested awards granted in prior years		(89,902)		46,263		68,636		(39,888)		83,275
Fair values at vest date for awards granted and vested in current year		—		—		—		—		—
Change in fair values between prior year-end fair values and vest date fair values for awards granted in prior years		(26,296)		(188,451)		266,032		(325,982)		106,703
Forfeitures during current year equal to prior year-end fair value		(335,322)		—		(159,795)		—		—
Dividends or dividend equivalents not otherwise included in total compensation		—		—		—		—		—
Total adjustments for equity awards		(585,786)		74,694		79,478		(103,861)		241,090
Compensation actually paid (as calculated)	$	554,098	$	1,994,401	$	1,878,498	$	1,583,306	$	1,643,440

Tabular List, Table

Most Important Performance Measures

The three performance measures listed below, not ranked in order of importance, represent the most important Company performance measures used to link CAP as further described in our CD&A.

Adjusted EBITDA

Free Cash Flow

Relative Total Shareholder Return

Total Shareholder Return Amount

$ 139.49

117.14

107.45

94.34

111.1

Peer Group Total Shareholder Return Amount

131.18

125.85

117.81

103.45

125.27

Net Income (Loss)

$ (8,100,000)

$ 26,000,000

$ 7,800,000

$ 18,700,000

$ (7,500,000)

Company Selected Measure Amount

47,100,000

64,400,000

66,100,000

60,800,000

46,200,000

PEO Name

Jagadeesh A. Reddy

Measure:: 1

Pay vs Performance Disclosure

Name

Adjusted EBITDA

Measure:: 2

Pay vs Performance Disclosure

Name

Free Cash Flow

Measure:: 3

Pay vs Performance Disclosure

Name

Relative Total Shareholder Return

Jagadeesh (Jag) A. Reddy

Pay vs Performance Disclosure

PEO Total Compensation Amount

$ 3,183,288

$ 3,692,318

$ 2,956,326

$ 1,269,605

PEO Actually Paid Compensation Amount

2,482,205

4,268,060

2,820,325

1,836,915

Robert D. Kamphuis

Pay vs Performance Disclosure

PEO Total Compensation Amount

1,416,066

$ 3,919,201

PEO Actually Paid Compensation Amount

(1,346,967)

5,051,860

PEO | Jagadeesh (Jag) A. Reddy | Equity Awards Adjustments

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(701,083)

575,742

(136,001)

567,310

PEO | Jagadeesh (Jag) A. Reddy | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(2,380,000)

(2,000,000)

(1,650,000)

(650,000)

PEO | Jagadeesh (Jag) A. Reddy | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

2,328,590

2,446,708

1,447,334

1,217,310

PEO | Jagadeesh (Jag) A. Reddy | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(516,115)

138,291

112,820

PEO | Jagadeesh (Jag) A. Reddy | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(133,558)

(9,257)

(46,155)

PEO | Robert D. Kamphuis | Equity Awards Adjustments

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(2,763,033)

1,132,659

PEO | Robert D. Kamphuis | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(2,280,000)

PEO | Robert D. Kamphuis | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

2,482,642

PEO | Robert D. Kamphuis | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

420,065

PEO | Robert D. Kamphuis | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(1,521,442)

509,952

PEO | Robert D. Kamphuis | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(1,241,591)

Non-PEO NEO | Equity Awards Adjustments

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(585,786)

74,694

79,478

(103,861)

241,090

Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(618,000)

(971,000)

(776,667)

(790,000)

(575,000)

Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

483,734

1,187,882

681,272

1,052,009

626,113

Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(89,902)

46,263

68,636

(39,888)

83,275

Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(26,296)

$ (188,451)

266,032

$ (325,982)

$ 106,703

Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

$ (335,322)

$ (159,795)