INVESTMENT IN VARIABLE INTEREST ENTITY - Additional Information (Detail) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Variable Interest Entity [Line Items]
PHIC's date of incorporation		May 26, 2011
Loss in equity of unconsolidated affiliate	$ 596,000	$ 1,083,000
Trade receivables	5,400,000	5,400,000
Note receivable outstanding	1,000,000	1,000,000
Other assets	(1,900,000)	(1,900,000)
Operating revenue		$ 1,800,000
PHI Century Limited [Member]
Variable Interest Entity [Line Items]
Investment in the common stock		49.00%