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FAIR VALUE MEASUREMENTS - ADDITIONAL INFORMATION (Detail) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Fair Value Disclosures [Abstract]    
Cash held in banks $ 14,300,000 $ 11,000,000
Period for contractual maturities of the Company's available-for-sale securities 1 year 1 year
Fair value assets, Level 1 to Level 2 $ 0 $ 0
Fair value assets, Level 2 to Level 1 0 0
Fair value liabilities, Level 1 to Level 2 0 0
Fair value liabilities, Level 2 to Level 1 $ 0 $ 0