Selected Quarterly Financial Information (unaudited) (Tables)

12 Months Ended

Mar. 31, 2021

Selected Quarterly Financial Information (unaudited)

Schedule of quarterly results

	Three months ended
	June 30, 2020		September 30, 2020		December 31, 2020		March 31, 2021
Revenues	$	73,165,324	$	54,710,277	$	88,479,024	$	99,584,187
Operating income		22,519,802		5,413,760		41,875,535		46,290,595
Net income		12,168,005		537,950		35,825,264		44,033,434
Earnings per common share, basic		0.24		0.01		0.71		0.93
Earnings per common share, diluted	$	0.24	$	0.01	$	0.71	$	0.93

	Three months ended
	June 30, 2019		September 30, 2019		December 31, 2019		March 31, 2020
Revenues	$	61,165,546	$	91,624,875	$	85,437,806	$	95,201,771
Operating income		20,272,506		49,266,427		41,758,757		49,771,141
Net income		6,075,059		40,711,896		35,628,912		29,425,391
Earnings per common share, basic		0.11		0.75		0.66		0.56
Earnings per common share, diluted	$	0.11	$	0.74	$	0.66	$	0.56