6. INTEREST RATE SWAP CONTRACT (Detail) - (Table 1) Balance Sheet Location of Derivative Instruments (Designated as Hedging Instrument [Member], USD $)	Sep. 30, 2012	Dec. 31, 2011
Total derivatives designated as hedging instruments under ASC Topic 815	$ 2,066,000	$ 1,975,000
Liabilities [Member]
Interest rate swap contract	$ 2,066,000	$ 1,975,000