4. Trademark and licensing agreements: (Detail) (USD $)	3 Months Ended	12 Months Ended		49 Months Ended	126 Months Ended
	Mar. 28, 2006	Dec. 31, 2012	Dec. 31, 2011	Apr. 29, 2010	Dec. 31, 2012
Stock Issued During Period, Shares, Purchase of Assets (in Shares)					300,000
Stock Issued During Period, Value, Acquisitions					$ 90,000
Finite-Lived Intangible Asset, Useful Life					15 years
Amortization of Intangible Assets		$ 6,000	$ 6,000
Intercompany Agreements, Description	one percent			one percent