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Revenue (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Stream
Dec. 31, 2020
USD ($)
Disaggregation of Revenue [Abstract]    
Revenue $ 55,183 $ 57,620
Number of broad revenue streams | Stream 3  
Contract with Customer, Asset and Liability [Abstract]    
Billings in excess of revenue earned (BIE) $ 5,029 5,285
Revenue recognized in the period from amounts included in Billings-in-Excess of Revenue Earned at the beginning of the period 4,708 6,691
Amount of revenue recognized related to performance obligations satisfied in previous periods 26  
Revenue, Performance Obligation [Abstract]    
Remaining performance obligation $ 21,200  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-12-31    
Revenue, Performance Obligation [Abstract]    
Expected period to recognize revenue as performance obligations are satisfied 12 months  
Performance Improvement Solutions [Member]    
Disaggregation of Revenue [Abstract]    
Revenue $ 28,140 32,790
Performance Improvement Solutions [Member] | System Design and Build [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 6,168 11,197
Performance Improvement Solutions [Member] | System Design and Build [Member] | Point in Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 0 316
Performance Improvement Solutions [Member] | System Design and Build [Member] | Over Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 6,168 10,881
Performance Improvement Solutions [Member] | Software [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 4,767 3,873
Performance Improvement Solutions [Member] | Software [Member] | Point in Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 343 1,411
Performance Improvement Solutions [Member] | Software [Member] | Over Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 4,424 2,462
Performance Improvement Solutions [Member] | Training and Consulting Services [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 17,316 17,720
Performance Improvement Solutions [Member] | Training and Consulting Services [Member] | Point in Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 1,846 110
Performance Improvement Solutions [Member] | Training and Consulting Services [Member] | Over Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 15,470 17,610
Workforce Solutions [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 27,043 24,830
Workforce Solutions [Member] | Training and Consulting Services [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 26,932 24,830
Workforce Solutions [Member] | Training and Consulting Services [Member] | Point in Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue 476 21
Workforce Solutions [Member] | Training and Consulting Services [Member] | Over Time [Member]    
Disaggregation of Revenue [Abstract]    
Revenue $ 26,456 $ 24,809