FAIR VALUE (Assets Recorded at Fair Value on Recurring Basis) (Details) - Recurring Basis - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	$ 43,916	$ 47,476
Liability - Apidos contractual commitment	345	615
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	11,130	11,062
Liability - Apidos contractual commitment	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	0	0
Liability - Apidos contractual commitment	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	32,786	36,414
Liability - Apidos contractual commitment	345	615
Investment Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	19,364	20,960
Investment Securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	11,130	11,062
Investment Securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	0	0
Investment Securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	8,234	9,898
Pelium
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	24,552	26,516
Pelium | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	0	0
Pelium | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	0	0
Pelium | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	$ 24,552	$ 26,516