13. FAIR VALUE MEASUREMENTS (Details) (USD $)	Sep. 30, 2012
Short-term deposits	$ 253
Restricted term deposits	3,526
Total assets measured at fair value	38,270
Percentage of total assets	990.00%
Fair Value Inputs Level 1 [Member]
Short-term deposits	253
Restricted term deposits	3,526
Total assets measured at fair value	38,270
Percentage of total assets	990.00%
Fair Value Inputs Level 2 [Member]
Short-term deposits
Restricted term deposits
Total assets measured at fair value
Percentage of total assets
Fair Value Inputs Level 3 [Member]
Short-term deposits
Restricted term deposits
Total assets measured at fair value
Percentage of total assets