FAIR VALUE (Assets Recorded at Fair Value on Recurring Basis) (Details) - Recurring Basis - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	$ 44,758	$ 45,672
Liability - Apidos contractual commitment	414	615
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	9,912	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	34,846	34,610
Liability - Apidos contractual commitment	414	615
Investment Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	19,148	20,960
Investment Securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	9,912	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	9,236	9,898
Pelium
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets - Investment securities	25,610	24,712
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	$ 25,610	$ 24,712