CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($)	Common Stock	Additional Paid-In Capital	Other Comprehensive Income / Loss	Accumulated Deficit	Total
Beginning balance, shares at Dec. 31, 2017	479,799,900
Beginning balance, value at Dec. 31, 2017	$ 479,800	$ 36,164,597	$ 0	$ (35,143,888)	$ 1,500,509
Common stock options granted for services to employees and directors		244,664			244,664
Exercise of warrants, shares	45,000
Exercise of warrants, value	$ 45	405			450
Net income attributable to Black Ridge Oil & Gas, Inc.				438,431	438,431
Ending balance, shares at Sep. 30, 2018	479,844,900
Ending balance, value at Sep. 30, 2018	$ 479,845	36,409,666	0	(34,705,457)	2,184,054
Beginning balance, shares at Jun. 30, 2018	479,799,900
Beginning balance, value at Jun. 30, 2018	$ 479,800	36,331,360	0	(36,308,492)	502,668
Common stock options granted for services to employees and directors		77,901			77,901
Exercise of warrants, shares	45,000
Exercise of warrants, value	$ 45	405			450
Net income attributable to Black Ridge Oil & Gas, Inc.				1,603,035	1,603,035
Ending balance, shares at Sep. 30, 2018	479,844,900
Ending balance, value at Sep. 30, 2018	$ 479,845	36,409,666	0	(34,705,457)	2,184,054
Beginning balance, shares at Dec. 31, 2018	479,844,900
Beginning balance, value at Dec. 31, 2018	$ 479,845	36,475,732	0	(35,487,902)	1,467,675
Common stock options granted for services to employees and directors		83,705			83,705
Net income attributable to Black Ridge Oil & Gas, Inc.				7,779,742	7,779,742
Other comprehensive income			2,094,690		2,094,690
Ending balance, shares at Sep. 30, 2019	479,844,900
Ending balance, value at Sep. 30, 2019	$ 479,845	36,559,437	2,094,690	(27,708,160)	11,425,812
Beginning balance, shares at Jun. 30, 2019	479,844,900
Beginning balance, value at Jun. 30, 2019	$ 479,845	36,531,550		(36,788,926)	222,469
Common stock options granted for services to employees and directors		27,887			27,887
Net income attributable to Black Ridge Oil & Gas, Inc.				9,080,766	9,080,766
Other comprehensive income			2,094,690		2,094,690
Ending balance, shares at Sep. 30, 2019	479,844,900
Ending balance, value at Sep. 30, 2019	$ 479,845	$ 36,559,437	$ 2,094,690	$ (27,708,160)	$ 11,425,812