CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income attributable to Black Ridge Oil & Gas, Inc.	$ 7,779,742	$ 438,431
Net loss (profit) from discontinued operations	7,421,050	(1,078,489)
Net income attributable to redeemable non-controlling interest	1,332,529	1,337,487
Adjustments to reconcile net loss attributable to Black Ridge Oil & Gas, Inc. to net cash provided by (used in) operating activities:
Gain on deconsolidation of subsidary	(26,322,687)	0
Merger incentive expense	5,874,000	0
Depreciation and amortization	754	7,650
Amortization of stock options	83,705	244,664
Deferred compensation	2,809,033	0
Decrease (increase) in current assets:
Accounts receivable	13	1,611
Accounts receviable, related party	(181,211)	0
Prepaid expenses	17,863	(9,417)
Increase (decrease) in current liabilities:
Accounts payable	16,481	(15,486)
Accrued expenses	28,136	12,074
Net cash provided by (used in) operating activities of continuing operations	(1,140,592)	938,525
Net cash used in operating activities of discontinued operations	(8,618,568)	(465,159)
Net cash provided by (used in) operating activities	(9,759,160)	473,366
CASH FLOWS FROM INVESTING ACTIVITIES
Cash disposed in deconsolidation	(9,991,684)	0
Purchase of property and equipment	(809)	0
Net cash used in investing activities of continuing operations	(9,992,493)	0
Net cash provided by investing activities of discontinued operations	16,880,792	187,773
Net cash provided by investing activities	6,888,299	187,773
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock warrants	0	450
Net cash provided by financing activities from continuing operations	0	450
Net cash provided by financing activities from discontinuing operations	1,431,974	0
Net cash provided by financing activities	1,431,974	450
NET CHANGE IN CASH AND CASH EQUIVALENTS	(1,438,887)	661,589
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	1,503,500	1,477,089
CASH AND CASH EQUIVALENTS AT END OF PERIOD	64,613	2,138,678
SUPPLEMENTAL INFORMATION:
Interest paid	0	0
Income taxes paid	751,630	148,489
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Unrealized gain on investment in AESE	2,094,690	0
Recognition of subsidiary equity upon deconsolidation	8,498,212	0
BRAC Redemptions of redeemable preferred stock from trust account	126,205,985	0
BRAC redeemable preferred stock transferred to equity	15,865,798	0
BRAC stock issued in merger	51,632,255	0
BRAC stock issued to settle intercompany debt	19,300,000	0
BRAC loan and accrued interest assumed to settle intercompany debt	10,992,877	0
BRAC stock issued to settle liabilities	$ 5,917,500	$ 0