Stockholders' Equity - Vested and unvested stock option (Details) - $ / shares	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Outstanding beginning balance (in shares)	3,258,408	3,327,580
Granted (in shares)	307,843	575,348
Options vesting (in shares)	0	0
Exercised (in shares)	(357,079)	(274,520)
Forfeited (in shares)	(26,300)
Repurchased (in shares)	0	(243,750)
Outstanding ending balance (in shares)	3,182,872	3,258,408
Outstanding beginning balance Weighted Average Exercise Price	$ 1.68	$ 1.56
Granted Weighted Average Exercise Price	2.22	2.28
Options vesting Weighted Average Exercise Price	0	0
Exercised Weighted Average Exercise Price	1.20	1.34
Forfeited Weighted Average Exercise Price	1.34
Repurchased Weighted Average Exercise Price	0
Outstanding ending balance Weighted Average Exercise Price	$ 1.79	$ 1.68
Vested Options [Member]
Outstanding beginning balance (in shares)	2,930,474	3,081,745
Granted (in shares)	0	270,000
Options vesting (in shares)	452,879	199,499
Exercised (in shares)	(357,079)	(274,520)
Forfeited (in shares)	(26,300)
Repurchased (in shares)	0	(243,750)
Outstanding ending balance (in shares)	2,999,974	2,930,474
Outstanding beginning balance Weighted Average Exercise Price	$ 1.60	$ 1.50
Granted Weighted Average Exercise Price	0	2.25
Options vesting Weighted Average Exercise Price	2.26	2.16
Exercised Weighted Average Exercise Price	1.20	1.34
Forfeited Weighted Average Exercise Price	1.34
Repurchased Weighted Average Exercise Price	0	1.32
Outstanding ending balance Weighted Average Exercise Price	$ 1.75	$ 1.60
Unvested Options [Member]
Outstanding beginning balance (in shares)	327,934	245,835
Granted (in shares)	307,843	305,348
Options vesting (in shares)	452,879	199,499
Exercised (in shares)	0	0
Forfeited (in shares)	0
Repurchased (in shares)	0	0
Outstanding ending balance (in shares)	182,898	327,934
Outstanding beginning balance Weighted Average Exercise Price	$ 2.46	$ 2.34
Granted Weighted Average Exercise Price	2.22	2.31
Options vesting Weighted Average Exercise Price	2.26	2.16
Exercised Weighted Average Exercise Price	0	0
Forfeited Weighted Average Exercise Price	0
Repurchased Weighted Average Exercise Price	0
Outstanding ending balance Weighted Average Exercise Price	$ 2.49	$ 2.46