Segment Information and Concentration (Details 1) - USD ($)	6 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues	$ 5,237,800	$ 5,758,600	$ 11,400,500	$ 9,775,200
Long-Lived Assets	2,595,000	5,319,300
Long-Lived Assets	4,341,600		4,402,200	4,337,300
Long-Lived Assets	1,763,000		$ 2,079,800	$ 2,557,800
United State [Member]
Revenues	3,437,000	3,206,000
Long-Lived Assets	1,710,000	5,181,300
Germany [Member]
Revenues	346,100	276,500
Long-Lived Assets	885,000	138,000
All Other Foreign Countries [Member]
Revenues	1,454,700	2,276,100
Long-Lived Assets	$ 0	$ 0