CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2018	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 1,569,909	$ 432,283
Accounts receivable, less allowance for doubtful accounts of $58,960 and $55,872, respectively	3,008,988	3,931,541
Inventories	6,356,456	8,345,343
Prepaid expenses and other current assets	330,066	206,395
Income taxes receivable	26,863	32,814
Total current assets	11,292,282	12,948,376
Equipment and leasehold improvements, net	1,273,145	1,408,091
Other assets:
Deferred income taxes	0	3,042,257
Cash surrender value of life insurance	6,337,390	6,024,929
Total other assets	6,337,390	9,067,186
Total assets	18,902,817	23,423,653
Current liabilities:
Accounts payable	828,541	2,243,110
Accrued liabilities	1,507,422	1,149,395
Total current liabilities	2,335,963	3,392,505
Long-term liabilities:
Deferred compensation	2,319,636	2,294,418
Other liabilities	159,371	164,418
Total long-term liabilities	2,479,007	2,458,836
Total liabilities	4,814,970	5,851,341
Stockholders' equity:
Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 7,382,706 shares	36,914	36,914
Paid in capital	5,669,334	5,420,710
Retained earnings	8,381,599	12,114,688
Total stockholders' equity	14,087,847	17,572,312
Total liabilities and stockholders' equity	$ 18,902,817	$ 23,423,653

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.