Consolidated Balance Sheets - USD ($)	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Provision for Doubtful Accounts	$ (53,190)	$ (30,547)
Inventory Write-down	0	1,106
Short-term Debt	165,000	250,000
Other Notes Payable, Current	3,153	0
Current assets:
Cash and cash equivalents	874,002	544,118
Restricted Cash, Current	250,000	0
Accounts receivable, net	1,387,133	1,483,770
Inventory, net	1,823,414	1,917,938
Other current assets	249,620	209,546
Total current assets	4,584,169	4,155,372
Property and equipment, net	76,268	54,892
Trademarks and trade names	605,006	605,006
Total assets	5,426,793	4,984,170
Current liabilities:
Proceeds from Short-term Debt	(85,000)	250,000
Accounts payable	528,844	1,047,463
Accrued expenses	874,421	577,329
Current portion of post-retirement benefits	101,891	101,891
Deferred Revenue, Current	481,180	388,435
Notes Payable, Related Parties	0	545,000
Liabilities of discontinued operations	92,532	91,125
Total current liabilities	2,247,021	3,001,243
Other Notes Payable, Noncurrent	18,037	0
Accrued post-retirement benefits, net of current portion	749,480	799,347
Total long-term liabilities	767,517	799,347
Total liabilities	3,014,538	3,800,590
Shareholders equity:
Series A convertible preferred stock, $0.001 par value; 2,000,000 shares authorized;2,000,000 issued and outstanding at June 30, 2018 and none issued and outstanding at June 30, 2017 (liquidation value of $645,000)	645,000	0
Common stock, $0.001 par value; 35,000,000 shares authorized; 7,415,329 issued and outstanding as of June 30, 2018 and 7,551,430 shares issued and outstanding as of June 30, 2017	7,415	7,551
Additional paid-in capital	69,702,043	69,701,907
Accumulated deficit	(67,942,203)	(68,525,878)
Total shareholders' equity	2,412,255	1,183,580
Total liabilities and shareholders' equity	5,426,793	4,984,170
Patents [Member]
Current assets:
Finite-Lived Intangible Assets, Net	0	400
Software License Arrangement [Member]
Current assets:
Finite-Lived Intangible Assets, Net	$ 161,350	$ 168,500

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.