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Note 3 - Share Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure Text Block [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,
		2014				2013

Selling, general and administrative		$	18,985			$	20,156
Research, development and engineering			27,460				7,414
		$	46,445			$	27,570

		Six Months ended June 30,				Six Months ended June 30,
		2014				2013

Selling, general and administrative		$	93,826			$	31,277
Research, development and engineering			38,392				8,740
		$	132,218			$	40,017