Stock Based Compensation (Tables)

3 Months Ended

Jun. 30, 2021

Share-based Payment Arrangement [Abstract]

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, 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

Outstanding at April 1, 2020	2,458,091	$	4.74	6.58	$	—
Options granted	—	$	—
Options exercised	—	$	—
Options canceled	(3,404)	$	3.51
Outstanding at June 30, 2020	2,454,687	$	4.74	6.33	$	—
Exercisable at June 30, 2020	2,251,243	$	4.83	6.22	$	—

(1) Intrinsic value represents the excess of the fair value on the last day of the period, which was $4.58 and $3.01 as of June 30, 2021 and 2020, 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 period presented:


	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
Outstanding at April 1, 2021	935,397	$	3.96
Granted	—	$	—
Vested	(1,000)	$	3.75
Canceled	(12,360)	$	4.00
Outstanding at June 30, 2021	922,037	$	3.96

Stock-based compensation expense

The accompanying unaudited 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,
	2021		2020
Cost of revenue	$	27	$	11
Research and development	127		40
Sales and marketing	36		5
General and administrative	307		48
Total	$	497	$	104

Unrecognized stock-based compensation

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


	June 30, 2021			June 30, 2020
	Unrecognized Expense		Average Expected Recognition Period (in years)	Unrecognized Expense		Average Expected Recognition Period (in years)
Stock options	$	256	3.26	$	224	1.00
Restricted stock	2,176		1.59	—		—
Total	$	2,432	1.77	$	224	1.00