Long-Term Debt (Tables)

6 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Long-term debt consists of the following:

	March 31, 2020				September 30, 2019
	Principal		Unamortized Debt Issuance Costs		Principal		Unamortized Debt Issuance Costs
Roanoke Gas Company:
Unsecured senior notes payable, at 4.26% due on September 18, 2034	$	30,500,000	$	139,984	$	30,500,000	$	144,811
Unsecured term note payable, at 30-day LIBOR plus 0.90%, due November 1, 2021	7,000,000		5,280		7,000,000		6,948
Unsecured term notes payable, at 3.58% due on October 2, 2027	8,000,000		36,120		8,000,000		38,528
Unsecured term notes payable, at 4.41% due on March 28, 2031	10,000,000		34,459		10,000,000		36,272
Unsecured term notes payable, at 3.60% due on December 6, 2029	10,000,000		34,346		—		—
RGC Midstream, LLC:
Unsecured term notes payable, at 30-day LIBOR plus 1.35%, due December 29, 2022	23,075,200		68,492		16,012,200		59,504
Unsecured term note payable, at 30-day LIBOR plus 1.15%, due June 12, 2026	14,000,000		15,048		14,000,000		16,252
Unsecured term note payable, at 30-day LIBOR plus 1.20%, due June 1, 2024	10,000,000		9,822		10,000,000		11,000
Total notes payable	$	112,575,200	$	343,551	$	95,512,200	$	313,315
Line-of-credit, at 30-day LIBOR plus 1.00%, due March 31, 2022	$	—	$	—	$	8,172,473	$	—
Total long-term debt	$	112,575,200	$	343,551	$	103,684,673	$	313,315