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, 2019	$ 20,251	$ 9,029,765	$ 88,356,509	$ 66,352,733	$ 14,193,616	$ 177,952,874
Balance (in shares) at Dec. 31, 2019	33,751	15,049,608
Issuance of share capital	$ 3,674	$ 50,766	(54,440)	0	0	0
Issuance of share capital (in shares)	6,123	84,610
Conversion of preferred stock	$ (5,679)	$ 5,679	0	0	0	0
Conversion of preferred stock (in shares)	(9,465)	9,465
Buyback of preferred stock	$ (105)	$ 0	(1,623)	0	0	(1,728)
Buyback of preferred stock (in shares)	(176)	0
Net income	$ 0	$ 0	0	3,711,528	730,005	4,441,533
Exercise of options	$ 500	$ 0	9,661	0	0	10,161
Exercise of options (in shares)	835	0
Dividends declared	$ 0	$ 0	0	(5,153,552)	0	(5,153,552)
Acquisition of non-controlling interests	0	0	(2,579,882)	0	(6,820,118)	(9,400,000)
Stock-based compensation	0	0	1,163,261	0	0	1,163,261
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	$ 5,179	$ 53,093	(58,272)	0	0	0
Issuance of share capital (in shares)	8,632	88,488
Conversion of preferred stock	$ (6,913)	$ 6,913	0	0	0	0
Conversion of preferred stock (in shares)	(11,522)	11,522
Buyback of preferred stock	$ (989)	$ 0	(15,810)	0	0	(16,799)
Buyback of preferred stock (in shares)	(1,649)	0
Net income	$ 0	$ 0	0	875,579	632,915	1,508,494
Exercise of options	$ 1,263	$ 0	15,796	0	0	$ 17,059
Exercise of options (in shares)	2,106	0				2,106
Dividends declared	$ 0	$ 0	0	(5,183,232)	(649,880)	$ (5,833,112)
Stock-based compensation	0	0	977,232	0	0	977,232
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