v3.24.0.1
Schedule of Restatement Items on Consolidated Statement of Operations (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Revenue:            
Total Revenue $ 79,400   $ 70,500   $ 144,300 $ 130,800
Cost of Sales            
Cost of Service [1] (20,500)   (17,800)   (35,500) (34,600)
Cost of Product sales [1] (8,400)   (4,600)   (15,100) (7,100)
Selling, general and administrative expenses (26,600)   (25,700)   (55,800) (48,900)
Acquisition and integration related transaction expenses     (200)
Depreciation and amortization (10,100)   (10,200)   (19,500) (20,900)
Net operating income 13,800   12,200   18,400 19,100
Other expense            
Interest expense, net (7,300)   (5,900)   (13,600) (12,400)
Gain on disposal of business     900
Other finance income (expense) 100   300   200 600
Total other expense, net (7,200)   (5,600)   (13,400) (10,900)
Net income before income taxes 6,600   6,600   5,000 8,200
Income tax (expense) benefit (1,000)   (200)   (800) (300)
Net income 5,600 $ (1,400) 6,400 $ 1,500 4,200 7,900
Other comprehensive income:            
Foreign currency translation (loss) gain (2,700) $ (2,900) 9,000 $ 3,500 (5,600) 12,500
Reclassification of loss on hedging instrument to comprehensive income 100   200   300 400
Actuarial (losses) gains on pension plan 300   (800)   500 (700)
Other comprehensive (loss) income (2,300)   8,400   (4,800) 12,200
Comprehensive income (loss) $ 3,300   $ 14,800   $ (600) $ 20,100
Net income per common share - basic $ 0.20   $ 0.23   $ 0.15 $ 0.28
Net income per common share - diluted $ 0.19   $ 0.22   $ 0.14 $ 0.27
Weighted average number of shares outstanding during the year - basic 28,186,725   28,426,248   28,081,041 28,431,576
Weighted average number of shares outstanding during the year - diluted 29,073,078   29,349,718   29,023,288 29,446,526
Stock-based compensation expense included in:            
Selling, general and administrative expenses $ (3,100)   $ (2,600)   $ (6,100) $ (5,400)
Service [Member]            
Revenue:            
Total Revenue 67,500   64,100   125,000 120,100
Product Sales [Member]            
Revenue:            
Total Revenue 11,900   6,400   19,300 10,700
Previously Reported [Member]            
Revenue:            
Total Revenue 80,400   71,300   146,400 131,900
Cost of Sales            
Cost of Service (13,400)   (11,700)   (24,300) (23,500)
Cost of Product sales (9,800)   (4,400)   (15,600) (6,500)
Selling, general and administrative expenses (34,400)   (31,900)   (68,700) (61,500)
Acquisition and integration related transaction expenses   (100)   (200)
Depreciation and amortization (10,400)   (9,800)   (19,300) (19,900)
Net operating income 12,400   13,400   18,500 20,300
Other expense            
Interest expense, net (7,300)   (6,000)   (13,600) (12,500)
Gain on disposal of business       900
Other finance income (expense) 100   300   200 600
Total other expense, net (7,200)   (5,700)   (13,400) (11,000)
Net income before income taxes 5,200   7,700   5,100 9,300
Income tax (expense) benefit (1,100)   (200)   (1,200) (300)
Net income 4,100   7,500   3,900 9,000
Other comprehensive income:            
Foreign currency translation (loss) gain (1,600)   5,800   (3,300) 8,200
Reclassification of loss on hedging instrument to comprehensive income 100   200   300 400
Actuarial (losses) gains on pension plan (300)   2,600   1,700 3,300
Other comprehensive (loss) income (1,800)   8,600   (1,300) 11,900
Comprehensive income (loss) $ 2,300   $ 16,100   $ 2,600 $ 20,900
Net income per common share - basic $ 0.16   $ 0.28   $ 0.15 $ 0.34
Net income per common share - diluted $ 0.14   $ 0.26   $ 0.13 $ 0.31
Weighted average number of shares outstanding during the year - basic 26,267,215   26,826,014   26,211,589 26,838,339
Weighted average number of shares outstanding during the year - diluted 29,041,781   29,262,690   28,992,987 29,375,570
Stock-based compensation expense included in:            
Selling, general and administrative expenses $ (3,100)   $ (2,600)   $ (6,100) $ (5,400)
Previously Reported [Member] | Service [Member]            
Revenue:            
Total Revenue 68,100   64,800   126,400 121,800
Previously Reported [Member] | Product Sales [Member]            
Revenue:            
Total Revenue 12,300   6,500   20,000 10,100
Revision of Prior Period, Reclassification, Adjustment [Member]            
Revenue:            
Total Revenue (1,000)   (800)   (2,100) (1,100)
Cost of Sales            
Cost of Service (7,100)   (6,100)   (11,200) (11,100)
Cost of Product sales 1,400   (200)   500 (600)
Selling, general and administrative expenses 7,800   6,200   12,900 12,600
Acquisition and integration related transaction expenses   100  
Depreciation and amortization 300   (100)   (200) (400)
Net operating income 1,400   (900)   (100) (600)
Other expense            
Interest expense, net   100   100
Gain on disposal of business      
Other finance income (expense)    
Total other expense, net   100   100
Net income before income taxes 1,400   (800)   (100) (500)
Income tax (expense) benefit 100     400
Net income 1,500   (800)   300 (500)
Other comprehensive income:            
Foreign currency translation (loss) gain (1,100)   3,200   (2,300) 4,300
Reclassification of loss on hedging instrument to comprehensive income    
Actuarial (losses) gains on pension plan 600   (3,400)   (1,200) (4,000)
Other comprehensive (loss) income (500)   (200)   (3,500) 300
Comprehensive income (loss) $ 1,000   $ (1,000)   $ (3,200) $ (200)
Net income per common share - basic $ 0.04   $ (0.04)   $ (0.03)
Net income per common share - diluted $ 0.05     $ 0.01 $ (0.02)
Weighted average number of shares outstanding during the year - basic 1,919,510   1,600,234   1,869,452 1,593,237
Weighted average number of shares outstanding during the year - diluted 31,297   87,028   30,301 70,956
Stock-based compensation expense included in:            
Selling, general and administrative expenses        
Revision of Prior Period, Reclassification, Adjustment [Member] | Service [Member]            
Revenue:            
Total Revenue $ (600)   (700)   $ (1,400) (1,700)
Revision of Prior Period, Reclassification, Adjustment [Member] | Product Sales [Member]            
Revenue:            
Total Revenue $ (400)   (100)   $ (700) 600
Previous Revision [Member]            
Revenue:            
Total Revenue        
Cost of Sales            
Cost of Service        
Cost of Product sales        
Selling, general and administrative expenses        
Acquisition and integration related transaction expenses        
Depreciation and amortization     (300)     (600)
Net operating income     (300)     (600)
Other expense            
Interest expense, net        
Gain on disposal of business        
Other finance income (expense)        
Total other expense, net        
Net income before income taxes     (300)     (600)
Income tax (expense) benefit        
Net income     (300)     (600)
Other comprehensive income:            
Foreign currency translation (loss) gain        
Reclassification of loss on hedging instrument to comprehensive income        
Actuarial (losses) gains on pension plan        
Other comprehensive (loss) income        
Comprehensive income (loss)     $ (300)     $ (600)
Net income per common share - basic     $ (0.01)     $ (0.03)
Net income per common share - diluted     $ (0.04)     $ (0.02)
Weighted average number of shares outstanding during the year - basic        
Weighted average number of shares outstanding during the year - diluted        
Stock-based compensation expense included in:            
Selling, general and administrative expenses        
Previous Revision [Member] | Service [Member]            
Revenue:            
Total Revenue        
Previous Revision [Member] | Product Sales [Member]            
Revenue:            
Total Revenue        
[1] Excluding depreciation and amortization