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Note 3 - Share Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months ended June 30,				Three Months ended June 30,
		2013				2012

Selling, general and administrative		$	20,156			$	9,727
Research, development and engineering			7,414				6,206
		$	27,570			$	15,933

		Six Months ended June 30,				Six Months ended June 30,
		2013				2012

Selling, general and administrative		$	31,277			$	13,385
Research, development and engineering			8,740				24,724
		$	40,017			$	38,109