CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Total
Balance at Sep. 30, 2017	$ 18,880	$ 51,573,841	$ 7,374,196	$ (21,368,537)	$ 37,598,380
Increase (Decrease) in Stockholders' Equity
Net income (loss)			(881,619)		(881,619)
Balance at Dec. 31, 2017	18,880	51,573,841	6,492,577	(21,368,537)	36,716,761
Balance at Sep. 30, 2017	18,880	51,573,841	7,374,196	(21,368,537)	37,598,380
Increase (Decrease) in Stockholders' Equity
Net income (loss)					(3,239,527)
Balance at Jun. 30, 2018	18,937	51,773,779	4,134,669	(21,368,537)	34,558,848
Balance at Dec. 31, 2017	18,880	51,573,841	6,492,577	(21,368,537)	36,716,761
Increase (Decrease) in Stockholders' Equity
Issuance of stock to directors	57	199,938			199,995
Net income (loss)			(1,316,871)		(1,316,871)
Balance at Mar. 31, 2018	18,937	51,773,779	5,175,706	(21,368,537)	35,599,885
Increase (Decrease) in Stockholders' Equity
Net income (loss)			(1,041,037)		(1,041,037)
Balance at Jun. 30, 2018	18,937	51,773,779	4,134,669	(21,368,537)	34,558,848
Balance at Sep. 30, 2018	18,937	51,783,779	3,720,291	(21,368,537)	34,154,470
Increase (Decrease) in Stockholders' Equity
Net income (loss)			139,421		139,421
Balance at Dec. 31, 2018	18,937	51,783,779	3,859,712	(21,368,537)	34,293,891
Balance at Sep. 30, 2018	18,937	51,783,779	3,720,291	(21,368,537)	34,154,470
Increase (Decrease) in Stockholders' Equity
Net income (loss)					853,179
Balance at Jun. 30, 2019	19,006	51,987,096	4,573,470	(21,368,537)	35,211,035
Balance at Dec. 31, 2018	18,937	51,783,779	3,859,712	(21,368,537)	34,293,891
Increase (Decrease) in Stockholders' Equity
Issuance of stock to directors	69	203,317			203,386
Net income (loss)			202,499		202,499
Balance at Mar. 31, 2019	19,006	51,987,096	4,062,211	(21,368,537)	34,699,776
Increase (Decrease) in Stockholders' Equity
Net income (loss)			511,259		511,259
Balance at Jun. 30, 2019	$ 19,006	$ 51,987,096	$ 4,573,470	$ (21,368,537)	$ 35,211,035