Stock-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of stock option activity

The following table summarizes stock option activity and related information for the periods presented:

	Number of Options	Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value (1) (in thousands)
Outstanding at April 1, 2022	2,879,008	$	4.88	6.02	$	6,747
Options granted	—	$	—
Options exercised	(4,361)	$	4.48
Options canceled	(9,677)	$	7.80
Outstanding at June 30, 2022	2,864,970	$	4.87	5.77	$	113
Exercisable at June 30, 2022	2,220,641	$	4.44	4.77	$	108
Outstanding at April 1, 2021	2,543,125	$	4.82	6.05	$	—
Options granted	—	$	—
Options exercised	(31,925)	$	4.21
Options canceled	(48,786)	$	6.85
Outstanding at June 30, 2021	2,462,414	$	4.79	5.82	$	720
Exercisable at June 30, 2021	2,224,780	$	4.65	5.43	$	690

(1) Intrinsic value represents the excess of the fair value on the last day of the period (which was $3.81 and $4.58 as of June 30, 2022 and 2021, respectively) over the exercise price, multiplied by the number of options.

Schedule of unvested restricted stock units

The following table summarizes RSU activity and related information for the periods presented:

	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
April 1, 2022	954,775	$	4.61
Granted	—	$	—
Vested	(4,375)	$	6.43
Canceled	(11,475)	$	3.92
June 30, 2022	938,925	$	4.82
April 1, 2021	935,397	$	3.96
Granted	—	$	—
Vested	(1,000)	$	3.75
Canceled	(12,360)	$	4.00
June 30, 2021	922,037	$	3.96

Stock-based compensation expense

The accompanying condensed consolidated statement of operations and comprehensive loss includes stock-based compensation expense for the periods presented as follows (in thousands):

	Three Months Ended June 30,
	2022		2021
Cost of revenue	$	39	$	27
Research and development	1		127
Sales and marketing	27		36
General and administrative	516		307
Total	$	583	$	497

Unrecognized stock-based compensation

Unrecognized stock-based compensation expense as of dates presented was as follows (in thousands, except years):

	June 30, 2022			June 30, 2021
	Unrecognized Expense		Average Expected Recognition Period (in years)	Unrecognized Expense		Average Expected Recognition Period (in years)
Stock options	$	1,276	1.36	$	256	3.26
Restricted stock	1,984		1.34	2,176		1.59
Total	$	3,260	1.35	$	2,432	1.77