Impact of Related Party Cost Reductions Implemented (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Fees Relating To Related Party Cost Reductions
Related Party Transaction [Line Items]
Fees payable in cash	$ 162,000	$ 192,000
Reduction in related party transactions fees payable in cash	30,000
Consulting Fees Relating To Related Party Cost Reductions
Related Party Transaction [Line Items]
Fees payable in cash		30,000
Fees payable in shares of common stock		90,000
Reduction in related party transactions fees payable in cash	30,000
Reduction in related party transactions fees payable in shares of common stock	90,000
Director Fees Relating To Related Party Cost Reductions
Related Party Transaction [Line Items]
Fees payable in shares of common stock	1,800	61,875
Reduction in related party transactions fees payable in shares of common stock	$ 60,075