INVESTMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Amortized Cost Basis, Within 1 year	$ 57
Amortized Cost Basis, After 1 year through 5 years	25
Amortized Cost Basis, After 5 years through 10 years	3
Amortized Cost Basis, Total debt securities	85
Fair Value, Within 1 year	161
Fair Value, After 1 year through 5 years	27
Fair Value, After 5 years through 10 years	4
Fair Value, Total debt securities	$ 192