Note 9 - Pension Plans (Details)	12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2012 HKD	Dec. 31, 2011 USD ($)
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%	5.00%
Defined Contribution Plan, Employer Matching Contribution, Relevant Income Ceiling		25,000
Defined Contribution Plan, Percentage of Contributions Employee Entitled	100.00%	100.00%
Defined Contribution Plan, Contributions Entitled to Employees	$ 1,376		$ 4,535