Note 11 - Segment Information (Details) - Segment Information (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Revenue from external customers	$ 1,809,623	$ 1,580,841
Segment operating income (loss)	(223,792)	(538,280)
Total assets	830,228	907,735
Chemical [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	1,099,977	1,084,075
Segment operating income (loss)	118,129	5,803
Total assets	613,406	589,739
Electronics [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	709,646	496,766
Segment operating income (loss)	(341,921)	(544,083)
Total assets	$ 216,822	$ 317,996