RELATED PARTY TRANSACTIONS (NARRATIVE) (DETAILS) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Airmax [Member]
Related Party Transaction Line Items
Purchases from Related Party			$ 1,000	$ 1,700	$ 1,000
Accounts Payable Due from Related Party	$ 80		80
Conversent [Member]
Related Party Transaction Line Items
Purchases from Related Party			$ 100	100	$ 20
Netlink [Member]
Related Party Transaction Line Items
Purchases from Related Party				$ 98
CafeX [Member]
Related Party Transaction Line Items
Purchases from Related Party	$ 250	$ 400