RELATED PARTY TRANSACTIONS (NARRATIVE) (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Related Party Transaction Line Items
Sales Revenue Services Net	$ 432,213,000	$ 394,356,000
Airmax [Member]
Related Party Transaction Line Items
Purchases from Related Party	100,000	300,000
Accounts Payable Due from Related Party	80,000
CafeX [Member]
Related Party Transaction Line Items
Purchases from Related Party	0	16,000
Welltok
Related Party Transaction Line Items
Sales Revenue Services Net	$ 900,000	$ 1,400,000

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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