Note 7 - Segment Information (Details) - Segment Information (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013
Segment Reporting Information [Line Items]
Revenue from external customers	$ 389,972	$ 384,673	$ 712,411	$ 901,912
Segment operating income (loss)	(54,334)	(88,953)	(121,133)	(102,334)
Total assets	868,832		868,832		907,735
Chemical [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	290,294	258,974	540,074	548,938
Segment operating income (loss)	51,225	34,879	121,796	100,065
Total assets	648,070		648,070		589,739
Electronics [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	99,678	125,699	172,337	352,974
Segment operating income (loss)	(105,559)	(123,832)	(242,929)	(202,399)
Total assets	220,762		220,762		317,996
Total [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	389,972	384,673	712,411	901,912
Segment operating income (loss)	(54,334)	(88,953)	(121,133)	(102,334)
Total assets	$ 868,832		$ 868,832		$ 907,735