SEGMENTS (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
SEGMENTS [Abstract]
Number of reportable segments | Segment			3
Summary financial information by reporting segment [Abstract]
Revenues	$ 62,470	$ 63,569	$ 132,511	$ 126,833
Percentage of Total Revenue	100.00%	100.00%	100.00%	100.00%
Operating Income (Loss)	$ 1,160	$ (2,093)	$ (185)	$ (6,958)
Total Assets	194,901		194,901		$ 194,763
Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	42,915	44,028	91,971	88,354
Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	19,555	19,541	40,540	38,479
Reportable Segments [Member] | Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 42,915	$ 44,028	$ 91,971	$ 88,354
Percentage of Total Revenue	68.70%	69.30%	69.40%	69.70%
Operating Income (Loss)	$ 4,870	$ 2,484	$ 9,708	$ 4,300
Total Assets	135,140		135,140		121,611
Reportable Segments [Member] | Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 19,555	$ 19,541	$ 40,540	$ 38,479
Percentage of Total Revenue	31.30%	30.70%	30.60%	30.30%
Operating Income (Loss)	$ 2,731	$ 1,839	$ 4,733	$ 2,811
Total Assets	29,184		29,184		27,945
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues	0	0	0	0
Operating Income (Loss)	(6,441)	$ (6,416)	(14,626)	$ (14,069)
Total Assets	$ 30,577		$ 30,577		$ 45,207