Note 7 - Segment Information (Details) - Segment Information (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Segment Reporting Information [Line Items]
Revenue from external customers	$ 322,439	$ 517,239
Segment operating income (loss)	(35,514)	(13,381)
Total assets	871,378		907,735
Chemical [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	249,780	289,964
Segment operating income (loss)	70,571	65,186
Total assets	654,536		589,739
Electronics [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	72,659	227,275
Segment operating income (loss)	(106,085)	(54,128)
Total assets	216,843		317,996
Total [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	322,439	517,239
Segment operating income (loss)	(35,514)	11,058
Total assets	$ 871,379		$ 907,735