Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2014

Summary of Significant Accounting Policies

Summary of the activity in allowance for doubtful accounts

Years Ended	March 31, 2014			March 31, 2013
Balance, beginning of year	$	9,000		$	15,500
Provision for estimated losses	4,042			(6,500		)
Write-off of uncollectible accounts	(5,042		)	—
Balance, end of year	$	8,000		$	9,000

Summary of warranty claims activity, included in other accrued liabilities

Years Ended	March 31, 2014			March 31, 2013
Balance, beginning of year	$	55,000		$	65,000
Provision for estimated warranty claims	(20,000		)	4,000
Claims made	—			(14,000		)
Balance, end of year	$	35,000		$	55,000

Schedule of inventory

	March 31, 2014			March 31, 2013
Raw materials	$	1,498,867		$	1,843,357
Finished goods	1,285,361			1,136,945
Total gross inventories	2,784,228			2,980,302
Less reserve for obsolescence	(560,000		)	(51,000		)
Total net inventories	$	2,224,228		$	2,929,302

Summary of the activity in inventory reserve for obsolescence

Years Ended	March 31, 2014			March 31, 2013
Balance, beginning of year	$	51,000		$	117,000
Provision for estimated obsolescence	106,528			47,280
Provision for impairment	456,501			—
Write-off of obsolete inventory	(54,029		)	(113,280		)
Balance, end of year	$	560,000		$	51,000

Summary of patents

	March 31, 2014			March 31, 2013
Patents issued	$	367,217		$	243,721
Accumulated amortization	(215,969		)	(190,770		)
Patents issued, net of accumulated amortization	151,248			52,951
Patent applications	97,723			184,655
Total net patents and patent applications	$	248,971		$	237,606

Schedule of expected annual amortization expense related to patents and patent applications for the next five fiscal years

Fiscal Year	Amount
2015	$	20,934
2016	20,242
2017	20,011
2018	20,011
2019 and following	167,773
Total	$	248,971

Schedule of other accrued liabilities

	March 31, 2014		March 31, 2013
Warranty	$	35,000	$	55,000
Sales commissions	38,065		29,492
Lease normalization	6,310		36,610
Sales and use tax	18,108		37,460
Marketing fees	10,560		10,279
Legal and audit fees	45,439		31,426
Payroll taxes	23,554		25,932
Medical device tax	8,425		63,808
Employment agreement	120,000		123,980
Trade shows	50,000		—
Miscellaneous	53,088		32,184
Total other accrued liabilities	$	408,549	$	446,171

Schedule of stock-based compensation expense related to employee stock options

Years Ended	March 31, 2014		March 31, 2013
Cost of sales	$	1,381	$	2,740
Sales and marketing	10,420		2,841
General and administrative	44,854		43,617
Research and development	7,863		11,155
Stock-based compensation expense	$	64,518	60,353

Schedule of calculation of basic and diluted net income (loss) per share

Years Ended	March 31, 2014			March 31, 2013
Net loss	$	(1,781,678	)	$	(615,673	)
Weighted-average shares — basic	8,921,669			8,199,621
Effect of dilutive potential common shares	—			—
Weighted-average shares — diluted	8,921,669			8,199,621
Net loss per share — basic and diluted	$	(0.20	)	$	(0.08	)
Antidilutive employee stock options	531,000			547,000