Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Amortized Intangible Assets [Abstract]
Gross carrying amount	$ 11,978	$ 12,442
Accumulated amortization	(10,799)	(10,291)
Impact of Impairment	$ 0	(464)
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Intangible assets, net
Net	$ 1,179	1,687
Amortization of intangible assets	$ 508	868
Weighted average remaining life of intangible assets	9 years 6 months
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2024	$ 332
2025	255
2026	204
2027	169
2028	108
Thereafter	111
Total	1,179	1,687
Goodwill, Impaired [Abstract]
Goodwill	16,709	16,709
Accumulated Impairment	(11,801)	(10,410)
Net	4,908	6,299
Engineering [Member]
Goodwill, Impaired [Abstract]
Goodwill	8,278	8,278
Accumulated Impairment	(3,370)	(3,370)
Net	4,908	4,908
Workforce Solutions [Member]
Goodwill, Impaired [Abstract]
Goodwill	8,431	8,431
Accumulated Impairment	(8,431)	(7,040)
Net	0	1,391
Goodwill impairment loss	500
Workforce Solutions [Member] | Training Services and Technical Staffing [Member]
Goodwill, Impaired [Abstract]
Accumulated Impairment				$ 7,000
Workforce Solutions [Member] | Training Services [Member]
Goodwill, Impaired [Abstract]
Accumulated Impairment			$ 900
Workforce Solutions [Member] | Technical Staffing [Member]
Goodwill, Impaired [Abstract]
Accumulated Impairment			$ 900
Customer Relationships [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	8,164	8,628
Accumulated amortization	(7,395)	(7,050)
Impact of Impairment	0	(464)
Net	769	1,114
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	769	1,114
Trade Names [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	1,689	1,689
Accumulated amortization	(1,283)	(1,196)
Impact of Impairment	0	0
Net	406	493
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	406	493
Developed Technology [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	471	471
Accumulated amortization	(471)	(471)
Impact of Impairment	0	0
Net	0	0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	0	0
Non Contractual Customer Relationships [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	433	433
Accumulated amortization	(433)	(433)
Impact of Impairment	0	0
Net	0	0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	0	0
Noncompete Agreement [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	527	527
Accumulated amortization	(523)	(486)
Impact of Impairment	0	0
Net	4	41
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	4	41
Alliance Agreement [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	527	527
Accumulated amortization	(527)	(488)
Impact of Impairment	0	0
Net	0	39
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	0	39
Others [Member]
Amortized Intangible Assets [Abstract]
Gross carrying amount	167	167
Accumulated amortization	(167)	(167)
Impact of Impairment	0	0
Net	0	0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	$ 0	$ 0