Loans and Allowance for Loan Losses (Details 5) - USD ($)	3 Months Ended		6 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	$ 1,301,810	$ 1,879,304	$ 1,324,159	$ 1,901,212	$ 1,879,304
Charge-offs	(14,045)	(54,345)	(46,745)	(92,227)	(1,035,176)
Recoveries	7,247	38,771	17,598	54,745	55,031
Provision	0	0	0	0	425,000
Balance at 12/31/18	1,295,012	1,863,730	1,295,012	1,863,730	1,324,159
Allowance
Ending balance individually evaluated for impairment						$ 192,698	$ 215,965	$ 224,218
Ending balance collectively evaluated for impairment						1,102,314	1,108,194	1,639,512
Ending balance						1,295,012	1,324,159	1,863,730
Loans
Ending balance individually evaluated for impairment						1,318,569	1,444,404	1,225,650
Ending balance collectively evaluated for impairment						263,040,148	263,878,555	252,398,176
Total Loans						264,358,717	265,322,959	253,623,826
Less: allowance for loan losses	1,295,012	1,863,730	1,324,159	1,863,730	1,324,159	1,295,012	1,324,159	1,863,730
Total						263,063,705	263,998,800	251,760,096
Construction, Land, Development
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	4,958	83,955	4,758	61,537	83,955
Charge-offs	0	0	0	0	0
Recoveries	0	30,064	0	33,064	30,064
Provision	(1,738)	(10,546)	(1,538)	8,872	(109,261)
Balance at 12/31/18	3,220	103,473	3,220	103,473	4,758
Allowance
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						3,220	4,758	103,473
Ending balance						3,220	4,758	103,473
Loans
Ending balance individually evaluated for impairment						0	87,371	0
Ending balance collectively evaluated for impairment						3,220,671	4,758,001	3,404,852
Total Loans						3,220,671	4,845,372	3,404,852
Less: allowance for loan losses	3,220	103,473	4,758	103,473	4,758	3,220	4,758	103,473
Total						3,217,451	4,840,614	3,301,379
1-4 family owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	6,151	53,630	7,300	139,254	53,630
Charge-offs	0	(54,345)	0	(62,289)	(54,345)
Recoveries	6,744	4,507	16,784	13,636	18,007
Provision	12,955	39,982	1,766	(46,827)	(9,992)
Balance at 12/31/18	25,850	43,774	25,850	43,774	7,300
Allowance
Ending balance individually evaluated for impairment						4,809	0	0
Ending balance collectively evaluated for impairment						21,041	7,300	43,774
Ending balance						25,850	7,300	43,774
Loans
Ending balance individually evaluated for impairment						960,572	924,135	839,261
Ending balance collectively evaluated for impairment						123,768,658	121,674,827	115,193,425
Total Loans						124,729,230	122,598,962	116,032,686
Less: allowance for loan losses	25,850	43,774	7,300	43,774	7,300	25,850	7,300	43,774
Total						124,703,380	122,591,662	115,988,912
1-4 family non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	24,542	121,274	71,053	243,835	121,274
Charge-offs	(14,042)	0	(44,534)	0	0
Recoveries	0	0	0	0	1,400
Provision	18,034	(20,528)	2,015	(143,089)	(51,621)
Balance at 12/31/18	28,534	100,746	28,534	100,746	71,053
Allowance
Ending balance individually evaluated for impairment						0	35,678	36,567
Ending balance collectively evaluated for impairment						28,534	35,375	64,179
Ending balance						28,534	71,053	100,746
Loans
Ending balance individually evaluated for impairment						22,993	95,214	95,214
Ending balance collectively evaluated for impairment						22,292,226	23,741,661	22,598,111
Total Loans						22,315,219	23,836,875	22,693,325
Less: allowance for loan losses	28,534	100,746	71,053	100,746	71,053	28,534	71,053	100,746
Total						22,286,685	23,765,822	22,592,579
Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	71,120	60,883	71,101	59,465	60,883
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision	39,984	969	40,003	2,387	10,218
Balance at 12/31/18	111,104	61,852	111,104	61,852	71,101
Allowance
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						111,104	71,101	61,852
Ending balance						111,104	71,101	61,852
Loans
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						74,069,572	71,100,731	61,852,302
Total Loans						74,069,572	71,100,731	61,852,302
Less: allowance for loan losses	111,104	61,852	71,101	61,852	71,101	111,104	71,101	61,852
Total						73,958,468	71,029,630	61,790,450
Commercial owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	131,113	161,819	131,906	160,772	161,819
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision	3,175	(16,594)	2,382	(15,547)	(29,913)
Balance at 12/31/18	134,288	145,225	134,288	145,225	131,906
Allowance
Ending balance individually evaluated for impairment						117,498	117,600	124,429
Ending balance collectively evaluated for impairment						16,790	14,306	20,796
Ending balance						134,288	131,906	145,225
Loans
Ending balance individually evaluated for impairment						196,135	198,829	203,066
Ending balance collectively evaluated for impairment						8,394,869	7,152,762	10,398,094
Total Loans						8,591,004	7,351,591	10,601,160
Less: allowance for loan losses	134,288	145,225	131,906	145,225	131,906	134,288	131,906	145,225
Total						8,456,716	7,219,685	10,455,935
Commercial non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	905,405	799,632	925,355	749,586	799,632
Charge-offs	0	0	0	(28,500)	(979,468)
Recoveries	0	4,000	0	7,000	4,000
Provision	(23,608)	(50,936)	(43,558)	24,610	1,101,191
Balance at 12/31/18	881,797	752,696	881,797	752,696	925,355
Allowance
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						881,797	925,355	752,696
Ending balance						881,797	925,355	752,696
Loans
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						20,782,399	24,211,269	26,327,268
Total Loans						20,782,399	24,211,269	26,327,268
Less: allowance for loan losses	881,797	752,696	925,355	752,696	925,355	881,797	925,355	752,696
Total						19,900,602	23,285,914	25,574,572
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	111,323	164,440	98,096	136,407	164,440
Charge-offs	(3)	0	(2,211)	(1,438)	(1,363)
Recoveries	503	200	814	1,045	1,560
Provision	(4,115)	(25,421)	11,009	3,205	(66,541)
Balance at 12/31/18	107,708	139,219	107,708	139,219	98,096
Allowance
Ending balance individually evaluated for impairment						70,391	62,687	63,222
Ending balance collectively evaluated for impairment						37,317	35,409	75,997
Ending balance						107,708	98,096	139,219
Loans
Ending balance individually evaluated for impairment						138,869	138,855	88,109
Ending balance collectively evaluated for impairment						10,511,753	11,239,304	12,624,124
Total Loans						10,650,622	11,378,159	12,712,233
Less: allowance for loan losses	107,708	139,219	98,096	139,219	98,096	107,708	98,096	139,219
Total						10,542,914	11,280,063	12,573,014
Not Specifically Allocated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at 7/1/18	47,198	433,671	14,590	350,356	433,671
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision	(44,687)	83,074	(12,079)	166,389	(419,081)
Balance at 12/31/18	2,511	516,745	2,511	516,745	14,590
Allowance
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						2,511	14,590	516,745
Ending balance						2,511	14,590	516,745
Loans
Ending balance individually evaluated for impairment						0	0	0
Ending balance collectively evaluated for impairment						0	0	0
Total Loans						0	0	0
Less: allowance for loan losses	$ 2,511	$ 516,745	$ 14,590	$ 516,745	$ 14,590	2,511	14,590	516,745
Total						$ (2,511)	$ (14,590)	$ (516,745)