17. Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Table Text Block]

Quarterly consolidated data for the years ended March 31, 2017 and 2016 is as follows:

	Quarter Ended
FY 2017	June 30		September 30		December 31		March 31
							(See Notes 7 and 19)
Net sales	$	5,342,369	$	5,076,029	$	4,236,519	$	4,090,539
Gross margin		1,876,653		1,825,588		1,634,251		1,347,623
Income (loss) before taxes		578,053		381,815		177,895		(3,253,087	)
Net income (loss)		410,309		272,055		141,513		(5,583,316	)
Basic income (loss) per share		0.13		0.08		0.04		(1.71	)
Diluted income (loss) per share		0.10		0.07		0.03		(1.72	)

FY 2016	June 30		September 30		December 31		March 31
Net sales	$	5,845,919	$	6,818,390	$	5,970,865	$	6,169,651
Gross margin		1,815,295		2,243,466		2,034,757		1,892,072
Income  before taxes		494,244		370,153		453,537		538,187
Net income		279,066		199,466		226,586		299,035
Basic income per share		0.09		0.06		0.07		0.09
Diluted income per share		0.02		0.06		0.07		0.09