SEGMENTS (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) Segment	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
SEGMENTS [Abstract]
Number of reportable segments | Segment	2
Summary financial information by reporting segment [Abstract]
Revenues	$ 77,996	$ 70,041
Percentage of Total Revenue	100.00%	100.00%
Operating Income (Loss)	$ 6,019	$ (1,346)
Total Assets	239,853		$ 245,190
Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	55,670	49,056
Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	22,326	20,985
Reportable Segments [Member] | Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 55,670	$ 49,056
Percentage of Total Revenue	71.40%	70.00%
Operating Income (Loss)	$ 12,324	$ 4,840
Total Assets	134,111		133,078
Reportable Segments [Member] | Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 22,326	$ 20,985
Percentage of Total Revenue	28.60%	30.00%
Operating Income (Loss)	$ 2,949	$ 2,000
Total Assets	32,453		32,753
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues	0	0
Operating Income (Loss)	(9,254)	$ (8,186)
Total Assets	$ 73,289		$ 79,359