6. Accrued Expenses (Tables)

12 Months Ended

Mar. 31, 2016

6. Accrued Expenses (Tables) [Line Items]

Schedule of Product Warranty Liability [Table Text Block]

The following table provides a summary of the changes in warranty reserves for the years ended March 31, 2016 and 2015:

	March 31,
	2016			2015
Warranty reserve, at beginning of period	$	140,333		$	194,062
Warranty expense		367,935			279,955
Warranty deductions		(300,166	)		(333,684	)
Warranty reserve, at end of period	$	208,102		$	140,333

Accrued Employee Related Liabilities [Member]

6. Accrued Expenses (Tables) [Line Items]

Schedule of Accrued Liabilities [Table Text Block]

Accrued vacation pay, deferred wages, payroll and payroll withholdings consist of the following:

	March 31,
	2016		2015
Accrued vacation pay	$	394,404	$	328,777
Accrued compensation and payroll withholdings		442,185		265,337
	$	836,589	$	594,114

Other Liabilities [Member]

6. Accrued Expenses (Tables) [Line Items]

Schedule of Accrued Liabilities [Table Text Block]

Accrued expenses - other consist of the following:

	March 31,
	2016		2015
Accrued commissions		8,189		117,523
Accrued legal costs		53,766		126,740
Warranty reserve		208,102		140,333
Accrued – other		231,630		210,841
	$	501,687	$	595,437

Accrued Liabilities, Related Party [Member]

6. Accrued Expenses (Tables) [Line Items]

Schedule of Accrued Liabilities [Table Text Block]

Accrued expenses – related parties consists of the following:

	March 31,
	2016		2015
Interest due to the estate of the Company’s former Chairman	$	107,237	$	85,174
Interest and other expenses due to the Company’s President/CEO		106,107		85,174
	$	213,344	$	170,348