FAIR VALUE (Details) (Recurring Basis [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds - Fidelity, US	$ 451
Interest bearing deposits - various banks, Korea	5,591
Cash and cash equivalents	2,230
Long-term restricted cash	3,812
Total	6,042
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds - Fidelity, US	451
Interest bearing deposits - various banks, Korea	5,591
Cash and cash equivalents	2,230
Long-term restricted cash	3,812
Total	6,042
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds - Fidelity, US	0
Interest bearing deposits - various banks, Korea	0
Cash and cash equivalents	0
Long-term restricted cash	0
Total	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds - Fidelity, US	0
Interest bearing deposits - various banks, Korea	0
Cash and cash equivalents	0
Long-term restricted cash	0
Total	$ 0