CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Redeemable preferred stock [Member] Preferred stock [Member]	Common stock [Member]	Additional paid-in capital [Member]	Retained earnings [Member]	Non controlling interests [Member]	Total
Balance at Dec. 31, 2020	$ 18,641	$ 9,086,210	$ 86,893,486	$ 64,910,709	$ 8,103,503	$ 169,012,549
Balance (in shares) at Dec. 31, 2020	31,068	15,143,683
Issuance of share capital		$ 34,546	(34,546)
Issuance of share capital (in shares)		57,577
Conversion of preferred stock	$ (129)	$ 129
Conversion of preferred stock (in shares)	(215)	215
Buyback of preferred stock	$ (448)		(7,065)			(7,513)
Buyback of preferred stock (in shares)	(747)
Net income				988,772	128,793	1,117,565
Dividends declared				(1,296,197)	(649,880)	(1,946,077)
Stock-based compensation			176,210			176,210
Balance at Mar. 31, 2021	$ 18,064	$ 9,120,885	87,028,085	64,603,284	7,582,416	168,352,734
Balance (in shares) at Mar. 31, 2021	30,106	15,201,475
Issuance of share capital	$ 5,179		(5,179)
Issuance of share capital (in shares)	8,632
Conversion of preferred stock	$ (538)	$ 538
Conversion of preferred stock (in shares)	(896)	896
Buyback of preferred stock	$ (422)		(6,928)			(7,350)
Buyback of preferred stock (in shares)	(704)
Net income				(1,664,649)	197,138	(1,467,511)
Exercise of options	$ 126		1,583			1,709
Exercise of options (in shares)	211
Dividends declared				(1,294,697)		(1,294,697)
Stock-based compensation			178,589			178,589
Balance at Jun. 30, 2021	$ 22,409	$ 9,121,423	87,196,150	61,643,938	7,779,554	165,763,474
Balance (in shares) at Jun. 30, 2021	37,349	15,202,371
Balance at Dec. 31, 2021	$ 17,181	$ 9,146,216	87,812,432	60,603,056	8,086,538	165,665,423
Balance (in shares) at Dec. 31, 2021	28,635	15,243,693
Issuance of share capital		$ 25,098	(25,098)
Issuance of share capital (in shares)		41,830
Net income				1,716,815	241,430	1,958,245
Dividends declared				(1,303,014)		(1,303,014)
Stock-based compensation			188,985			188,985
Balance at Mar. 31, 2022	$ 17,181	$ 9,171,314	87,976,319	61,016,857	8,327,968	166,509,639
Balance (in shares) at Mar. 31, 2022	28,635	15,285,523
Issuance of share capital	$ 5,577		(5,577)
Issuance of share capital (in shares)	9,295
Net income				2,289,886	232,197	2,522,083
Exercise of options	$ 185		2,511			2,696
Exercise of options (in shares)	309
Dividends declared				(1,301,840)	(464,200)	(1,766,040)
Stock-based compensation			205,137			205,137
Balance at Jun. 30, 2022	$ 22,943	$ 9,171,314	$ 88,178,390	$ 62,004,903	$ 8,095,965	$ 167,473,515
Balance (in shares) at Jun. 30, 2022	38,239	15,285,523