Condensed Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2017	Sep. 30, 2016
Current Assets
Cash and cash equivalents	$ 19,748,097	$ 28,014,321
Short-term investments	5,737,150	5,527,075
Accounts receivables, net	8,052,829	7,999,210
Inventories	9,338,613	8,373,155
Other current assets	869,150	1,198,917
Total current assets	43,745,839	51,112,678
Property, plant and equipment, net	5,511,450	5,780,814
Other Assets
Long-term investments	17,153,000	10,703,000
Goodwill	2,570,511	2,570,511
Other	484,989	428,310
Total other assets	20,208,500	13,701,821
Total Assets	69,465,789	70,595,313
Current Liabilities
Accounts payable	2,196,152	2,573,292
Accrued compensation	2,077,040	4,697,138
Accrued expenses	60,222	75,306
Total current liabilities	4,333,414	7,345,736
Other Liabilities
Deferred taxes	411,779	411,779
Deferred rent	266,228	243,755
Total other liabilities	678,007	655,534
Total Liabilities	5,011,421	8,001,270
Commitments and Contingencies
Shareholders’ Equity
Preferred stock, $.01 par value; authorized 500 shares; no shares outstanding
Common stock, authorized 50,000,000, $.01 par value; 13,961,112 and 14,126,279, shares issued and outstanding at June 30, 2017 and September 30, 2016	139,611	141,263
Additional paid-in capital	56,594,725	57,320,515
Retained earnings	7,720,032	5,132,265
Total Shareholders’ Equity	64,454,368	62,594,043
Total Liabilities and Shareholders’ Equity	$ 69,465,789	$ 70,595,313