Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Earnings (Deficiency) [Member]	Other Comprehensive Income (Loss) [Member]	Total	Non-Controlling Interest [Member]	Total Stockholders' Equity [Member]
Beginning Balance at Dec. 31, 2016	$ 11,458	$ 14,842,863	$ (1,303,120)	$ (1,087,208)	$ 12,463,993		$ 12,463,993
Beginning Balance, shares at Dec. 31, 2016	11,457,991
Translation adjustment				431,115	431,115		431,115
Net income (loss)			1,754,741		1,754,741		1,754,741
Comprehensive income					2,185,856		2,185,856
Common stock issued	$ 140	155,880			156,020		156,020
Common Stock Issued, shares	140,000
Stock-based compensation		116,092			116,092		116,092
Ending Balance at Dec. 31, 2017	$ 11,598	15,114,835	451,621	(656,093)	14,921,961		14,921,961
Ending Balance, shares at Dec. 31, 2017	11,597,991
Translation adjustment				(566,480)	(566,480)		(566,480)
Net income (loss)			2,490,268		2,490,268	(68,551)	2,421,717
Common stock issued	$ 102	102,258			102,360		102,360
Common Stock Issued, shares	101,666
Stock-based compensation		111,192			111,192		111,192
Acquisition of EnP Investments LLC						2,759,917	2,759,817
Distribution to noncontrolling interests						(229,135)	(229,135)
Ending Balance at Dec. 31, 2018	$ 11,700	$ 15,328,285	$ 2,941,889	$ (1,222,573)	$ 17,059,301	$ 2,462,231	$ 19,521,532
Ending Balance, shares at Dec. 31, 2018	11,699,657