Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Summary of the activity in allowance for doubtful accounts

Years Ended	March 31, 2016	March 31, 2015
Balance, beginning of year	$11,500	$ 8,000
Provision for estimated (recoveries) losses	(1,338)	9,582
Write-off of uncollectible accounts	(1,162)	(6,082)
Balance, end of year	$9,000	$11,500

Summary of warranty claims activity, included in other accrued liabilities

Years Ended	March 31, 2016	March 31, 2015
Balance, beginning of year	$  20,000	$  35,000
Provision for estimated warranty claims	1,194	(15,000)
Claims made	(1,194)	—
Balance, end of year	$  20,000	$  20,000

Schedule of inventory

	March 31, 2016	March 31, 2015
Raw materials	$1,469,630	$1,547,733
Finished goods	671,117	1,029,921
Total gross inventories	2,140,747	2,577,654
Less reserve for obsolescence	(410,000)	(240,000)
Total net inventories	$1,730,747	$2,337,654

Summary of the activity in inventory reserve for obsolescence

Years Ended	March 31, 2016	March 31, 2015
Balance, beginning of year	$ 240,000	$ 560,000
Provision for estimated obsolescence	221,427	135,902
Write-off of obsolete inventory	(51,427)	(455,902)
Balance, end of year	$ 410,000	$ 240,000

Summary of patents

	March 31, 2016	March 31, 2015
Patents issued	$280,669	$280,669
Accumulated amortization	(165,167)	(153,494)
Patents issued, net of accumulated amortization	115,502	127,175
Patent applications	151,537	130,181
Accumulated amortization	(14,150)	—
Patent applications, net of accumulated amortization	137,387	130,181
Total net patents and patent applications	$252,889	$257,356

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

Fiscal Year	Amount
2017	$  25,823
2018	25,823
2019	25,823
2020	25,823
2021 and following	149,597
Total	$252,889

Schedule of other accrued liabilities

	March 31, 2016	March 31, 2015
Warranty	$   20,000	$   20,000
Sales commissions	83,445	82,132
Lease normalization	31,365	22,655
Sales and use tax	17,453	21,124
Marketing fees	10,363	8,133
Legal and audit fees	40,454	38,493
Payroll taxes	21,823	24,120
Medical device tax	––	7,651
Employment agreement	—	87,282
Insurance	20,240	—
Miscellaneous	12,363	13,336
Total other accrued liabilities	$257,506	$324,926

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

Years Ended	March 31, 2016	March 31, 2015
Cost of sales	$   2,287	$   1,965
Sales and marketing	11,822	11,076
General and administrative	56,381	46,522
Research and development	4,187	3,045
Stock-based compensation expense	$ 74,677	$ 62,608

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

Years Ended	March 31, 2016	March 31, 2015
Net loss	$ (880,200)	$(1,382,746)
Weighted-average shares — basic	10,673,225	10,673,225
Effect of dilutive potential common shares	—	—
Weighted-average shares — diluted	10,673,225	10,673,225
Net loss per share — basic and diluted	$      (0.08)	$      (0.13)
Antidilutive equity units	700,924	599,924