SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) 10K - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
ALLOWANCE FOR DOUBTFUL ACCOUNTS
Valuation and Qualifying Account Activity
Balance at Beginning of Period	$ 12,384,279	$ 14,791,171	$ 10,813,394
Additions (Deductions) Charged to Cost and Expenses	6,325,188	4,088,592	4,512,899
Deductions from Allowance	6,943,598	6,495,484	535,122
Balance at End of Period	11,765,869	12,384,279	14,791,171
INVENTORY RESERVE
Valuation and Qualifying Account Activity
Balance at Beginning of Period	3,491,655	2,310,309	2,642,547
Additions (Deductions) Charged to Cost and Expenses	1,359,595	1,314,225	475,218
Deductions from Allowance	719,864	132,879	807,456
Balance at End of Period	4,131,386	3,491,655	2,310,309
COMPUTER RESERVE
Valuation and Qualifying Account Activity
Balance at Beginning of Period	899,654	819,042	573,444
Additions (Deductions) Charged to Cost and Expenses	383,770	550,142	595,876
Deductions from Allowance	495,194	469,530	350,278
Balance at End of Period	788,230	899,654	819,042
INCOME TAX VALUATION ALLOWANCE
Valuation and Qualifying Account Activity
Balance at Beginning of Period	4,458,517	7,152,860	4,338,653
Additions to Net Deferred Tax Asset Allowance	90,383	22,388	3,296,617
Deductions from Allowance		2,716,731	482,410
Balance at End of Period	$ 4,548,900	$ 4,458,517	$ 7,152,860