CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated OCI	Accumulated Deficit	Total
Balance (in shares) at Dec. 31, 2019	8,386,145
Balance at Dec. 31, 2019	$ 83,861	$ 95,279,114	$ (242,594)	$ (70,180,963)	$ 24,939,418
Common stock repurchased (in shares)	(2,416)
Common stock repurchased	$ (24)	(10,089)			(10,113)
Stock compensation expense - restricted		254,499			254,499
Stock compensation expense - non-qualified stock options		26,942			26,942
Foreign currency translation gain (loss)			(37,330)		(37,330)
Net income (loss)				483,888	483,888
Balance (in shares) at Mar. 31, 2020	8,383,729
Balance at Mar. 31, 2020	$ 83,837	95,550,466	(279,924)	(69,697,075)	25,657,304
Balance (in shares) at Dec. 31, 2020	8,876,515
Balance at Dec. 31, 2020	$ 8,876	100,504,741	(104,615)	(59,857,279)	40,551,723
Issuance of common stock - options exercises, shares	2,500
Issuance of common stock - options exercises, amount	$ 2	10,248			10,250
Issuance of common stock - restricted (in shares)	91,650
Issuance of common stock - restricted	$ 92	(140,986)			(140,894)
Issuance of common stock through at-the-market offering program, net of issuance costs, shares	100,687
Issuance of common stock through at-the-market offering program, net of issuance costs, amount	$ 101	1,088,297			1,088,398
Stock compensation expense - restricted		157,107			157,107
Stock compensation expense - non-qualified stock options		25,735			25,735
Foreign currency translation gain (loss)			(54,949)		(54,949)
Net income (loss)				585,424	585,424
Balance (in shares) at Mar. 31, 2021	9,071,352
Balance at Mar. 31, 2021	$ 9,071	$ 101,645,142	$ (159,564)	$ (59,271,855)	$ 42,222,794