Description of business and going concern: (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012	Dec. 31, 2012
Description Of Business And Going Concern [Abstract]
Accumulated deficit	$ (13,661,619)	[1]		$ (13,655,027)	[2]
Working capital deficiency	71,090
Net loss	(6,592)		(5,709)
Net cash used in operating activities	$ (9,312)		$ (1,192)

[1] (Unaudited)

[2] Derived from Audited Financial Statements.