Stockholders' Equity (Tables)

3 Months Ended

Sep. 30, 2022

Stockholders' Equity

Schedule of vested and unvested stock option activity

The following table summarizes vested and unvested stock option activity:

	All Options			Vested Options			Unvested Options
		Weighted			Weighted			Weighted
		Average			Average			Average
		Exercise			Exercise			Exercise
	Shares	Price		Shares	Price		Shares	Price
Outstanding at June 30, 2022	3,182,872	$	1.79	2,999,974	$	1.75	182,898	$	2.49
Granted	—		—	—		—	—		—
Options vesting	—		—	51,123		2.54	(51,123)		2.54
Exercised	(22,500)		1.48	(22,500)		1.48	—		—
Forfeited	(35,000)		2.43	(33,750)		2.40	(1,250)		3.27
Repurchased	—		—	—		—	—		—
Outstanding at September 30, 2022	3,125,372	$	1.79	2,994,847	$	1.76	130,525	$	2.46

Schedule of valuation assumptions

The following table presents the assumptions used to estimate the fair values based upon a Black-Scholes option pricing model of the stock options granted during the three months ended September 30, 2022 and 2021. There were no stock options granted during the three months ended September 30, 2022.

	Three Months Ended
	September 30,
	2022		2021
Expected dividend yield	—	%	—	%
Risk-free interest rate	—	%	0.92 - 1.01	%
Expected life (in years)	—		6
Expected volatility	—	%	56	%

Schedule of additional information regarding stock options outstanding and exercisable

Additional information regarding stock options outstanding and exercisable as of September 30, 2022 is as follows:

	Option		Remaining
	Exercise	Options	Contractual	Options
	Price	Outstanding	Life (in years)	Exercisable
$	0.70	225,000	3.18	225,000
	0.77	25,000	1.88	25,000
	0.80	16,000	2.89	16,000
	0.90	15,000	2.85	15,000
	1.00	15,000	2.44	15,000
	1.05	305,000	3.90	305,000
	1.07	33,898	0.04	33,898
	1.09	50,000	3.65	50,000
	1.10	105,000	2.75	105,000
	1.15	104,400	0.35	104,400
	1.20	274,000	4.80	274,000
	1.25	32,000	0.37	32,000
	1.50	185,000	0.22	185,000
	1.59	25,000	5.61	25,000
	1.80	74,050	0.98	74,050
	1.85	16,000	0.64	16,000
	1.95	200,000	5.76	200,000
	2.10	238,767	9.36	238,767
	2.13	216,708	8.14	211,138
	2.17	35,955	8.62	17,978
	2.19	5,000	9.31	—
	2.40	312,833	6.13	312,833
	2.43	61,250	8.68	46,250
	2.45	168,000	7.85	126,000
	2.49	78,435	7.67	72,836
	2.50	20,000	6.63	20,000
	2.64	30,882	8.85	12,867
	2.67	33,194	8.97	13,831
	2.99	8,000	7.62	6,666
	3.13	208,000	7.12	208,000
	3.50	8,000	7.37	7,333
	Total	3,125,372		2,994,847

Schedule of restricted common stock activity

The following table summarizes restricted common stock activity:

				Weighted
				Average
	Number of			Grant Date
	Shares	Fair Value		Fair Value
Non-vested, June 30, 2022	400,092	$	775,453	$	2.38
Granted	222,334		431,328		1.94
Vested	(54,186)		(134,655)		2.60
Forfeited	—		—		—
Non-vested, September 30, 2022	568,240	$	1,072,126	$	2.18