Condensed Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2018	Sep. 30, 2017
Current Assets
Cash and cash equivalents	$ 9,287,640	$ 18,536,111
Short-term investments	8,486,225	5,937,150
Accounts receivables, net	9,651,516	7,237,641
Inventories, net	9,688,052	8,453,567
Other current assets	698,448	978,933
Total current assets	37,811,881	41,143,402
Property, plant and equipment, net	4,907,410	5,434,172
Other Assets
Long-term investments	18,226,000	19,816,000
Goodwill	4,708,511	2,570,511
Intangible assets, net	5,549,320	284,787
Other	241,009	245,165
Total other assets	28,724,840	22,916,463
Total Assets	71,444,131	69,494,037
Current Liabilities
Accounts payable	2,016,413	1,739,791
Accrued compensation	1,632,693	2,410,026
Accrued expenses	456,999	93,304
Total current liabilities	4,106,105	4,243,121
Other Liabilities
Deferred taxes	60,076	444,076
Deferred rent	272,419	281,720
Total other liabilities	332,495	725,796
Total Liabilities	4,438,600	4,968,917
Commitments and Contingencies
Shareholders’ Equity
Preferred stock, $.01 par value; 500,000 shares; no shares issued or outstanding
Common stock, authorized 50,000,000, $.01 par value; 13,693,943 and 13,812,821, shares issued and outstanding as of June 30, 2018 and September 30, 2017	136,939	138,128
Additional paid-in capital	55,495,474	55,406,888
Retained earnings	11,373,118	8,980,104
Total Shareholders’ Equity	67,005,531	64,525,120
Total Liabilities and Shareholders’ Equity	$ 71,444,131	$ 69,494,037