STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Treasury Stock	Total
Beginning balance, shares at Dec. 31, 2018	3,784,712	1,648,657				(33,840)
Beginning balance, amount at Dec. 31, 2018	$ 3,785	$ 1,649	$ 68,751,871	$ 344,182	$ (67,127,122)	$ (57,847)	$ 1,916,518
Foreign currency translation adjustment				73,145			73,145
Share-based compensation expense			58,840				58,840
Net income (loss)					(211,986)		(211,986)
Ending balance, shares at Mar. 31, 2019	3,784,712	1,648,657				(33,840)
Ending balance, amount at Mar. 31, 2019	$ 3,785	$ 1,649	68,810,711	417,327	(26,339,108)	$ (57,847)	1,836,517
Beginning balance, shares at Dec. 31, 2018	3,784,712	1,648,657				(33,840)
Beginning balance, amount at Dec. 31, 2018	$ 3,785	$ 1,649	68,751,871	344,182	(67,127,122)	$ (57,847)	1,916,518
Share-based compensation expense							57,740
Net income (loss)							(235,233)
Ending balance, shares at Jun. 30, 2019	4,438,578	1,648,657				(33,840)
Ending balance, amount at Jun. 30, 2019	$ 4,439	$ 1,649	68,892,178	467,560	(67,525,591)	$ (57,847)	1,782,388
Beginning balance, shares at Mar. 31, 2019	3,784,712	1,648,657				(33,840)
Beginning balance, amount at Mar. 31, 2019	$ 3,785	$ 1,649	68,810,711	417,327	(26,339,108)	$ (57,847)	1,836,517
Foreign currency translation adjustment				50,233			50,233
Share-based compensation expense			(1,100)				(1,100)
Preferred dividends paid					(163,236)		(163,236)
Preferred shares issued as compensation, shares	653,866
Preferred shares issued as compensation, amount	$ 654		82,567				83,221
Net income (loss)					(23,247)		(23,247)
Ending balance, shares at Jun. 30, 2019	4,438,578	1,648,657				(33,840)
Ending balance, amount at Jun. 30, 2019	$ 4,439	$ 1,649	68,892,178	467,560	(67,525,591)	$ (57,847)	1,782,388
Beginning balance, shares at Dec. 31, 2019	4,438,578	1,648,657				(33,840)
Beginning balance, amount at Dec. 31, 2019	$ 4,439	$ 1,649	69,242,412	512,894	(67,008,347)	$ (57,847)	2,695,200
Foreign currency translation adjustment				(235,181)			(235,181)
Share-based compensation expense			(20,789)				(20,789)
Preferred dividends paid in shares, shares	126,727
Preferred dividends paid in shares, amount	$ 127		358,511		(358,638)		0
Exchange of preferred to common, shares	(4,125,500)	4,126,422
Exchange of preferred to common, amount	$ (4,126)	$ 4,126					0
Preferred dividends paid					(26,252)		(26,252)
Net income (loss)					(113,242)		(113,242)
Ending balance, shares at Mar. 31, 2020	439,805	5,775,079				(33,840)
Ending balance, amount at Mar. 31, 2020	$ 440	$ 5,775	69,580,134	277,713	(67,506,479)	$ (57,847)	2,299,736
Beginning balance, shares at Dec. 31, 2019	4,438,578	1,648,657				(33,840)
Beginning balance, amount at Dec. 31, 2019	$ 4,439	$ 1,649	69,242,412	512,894	(67,008,347)	$ (57,847)	2,695,200
Share-based compensation expense							(18,011)
Net income (loss)							(7,833)
Ending balance, shares at Jun. 30, 2020	0	6,214,884				(33,840)
Ending balance, amount at Jun. 30, 2020	$ 0	$ 6,215	69,582,912	383,837	(67,401,070)	$ (57,847)	2,554,047
Beginning balance, shares at Mar. 31, 2020	439,805	5,775,079				(33,840)
Beginning balance, amount at Mar. 31, 2020	$ 440	$ 5,775	69,580,134	277,713	(67,506,479)	$ (57,847)	2,299,736
Foreign currency translation adjustment				106,124			106,124
Share-based compensation expense			2,778				2,778
Exchange of preferred to common, shares	(439,805)	439,805
Exchange of preferred to common, amount	$ (440)	$ 440					0
Net income (loss)					105,409		105,409
Ending balance, shares at Jun. 30, 2020	0	6,214,884				(33,840)
Ending balance, amount at Jun. 30, 2020	$ 0	$ 6,215	$ 69,582,912	$ 383,837	$ (67,401,070)	$ (57,847)	$ 2,554,047