Note 7 - Business Combination With B&R Global - Proforma Information (Details) - B & R [Member] - USD ($)		2 Months Ended	12 Months Ended
		Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Net Revenue		$ 86,059,243
Net Income		$ 1,355,343
Pro forma Net revenue			$ 828,045,703	$ 817,981,204
Pro forma Net income	[1]		6,799,694	16,114,247
Pro forma Net income attributable to HF Group	[1]		$ 5,662,499	$ 15,774,413
Pro forma earnings per common share - basic and diluted (in dollars per share)			$ 0.11	$ 0.31
Weighted average shares - basic and diluted (in shares)			53,293,566	51,232,829

[1] Includes intangibles asset amortization expense of $10,890,300 for the years ended December 31, 2019 and December 31, 2018, respectively.