Nature of Operations - Additional Information (Details) $ / shares in Units, € in Thousands										1 Months Ended	9 Months Ended
	Nov. 03, 2020 USD ($)	Nov. 03, 2020 EUR (€)	Sep. 30, 2020 USD ($) $ / shares shares	Sep. 30, 2020 EUR (€)	Jun. 16, 2020 USD ($) $ / shares shares	May 04, 2020 USD ($)	May 04, 2020 EUR (€)	Mar. 19, 2020 USD ($) $ / shares shares	Nov. 07, 2019 shares	Mar. 31, 2020 USD ($) shares	Sep. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Nature Of Operations [Line Items]
Accumulated deficit			$ 142,707,000								$ 142,707,000	$ 75,686,000
Net proceeds from private placement										$ 20,300,000	20,300,000
Net proceeds from shares issuance											$ 6,206,000
Common stock, shares issued | shares			40,873,588								40,873,588	28,686,116
Common stock, par value | $ / shares			$ 0.0001								$ 0.0001	$ 0.0001
Convertible promissory notes, cash issuance costs			$ 1,079,000								$ 1,079,000
Common stock, shares issued | shares			40,873,588								40,873,588	28,686,116
Gain (loss) on disposal transaction											$ (385,000)
Med Group Consult Ltd | Venus Concept Central Eastern Europe Ltd
Nature Of Operations [Line Items]
Percentage of ownership interest						51.00%	51.00%
Cash consideration						$ 531,000	€ 473
Payment received			$ 312,000	€ 279
Percentage of operating revenue											1.00%
Transaction date of sale and purchase agreement											May 04, 2020
Gain (loss) on disposal transaction						$ (385,000)
Med Group Consult Ltd | Venus Concept Central Eastern Europe Ltd | Subsequent Event
Nature Of Operations [Line Items]
Payment received	$ 111,000	€ 97
Common Stock
Nature Of Operations [Line Items]
Net proceeds from private placement										$ 4,052,000
Preferred stock convertible into common stock | shares					6,600,000
Merger Agreement | Venus Concept Ltd.
Nature Of Operations [Line Items]
Right to number of shares to be received in exchange of each outstanding ordinary and preferred share | shares									8.6506
Investors | Securities Purchase Agreement
Nature Of Operations [Line Items]
Common stock, shares issued | shares								2,300,000
Common stock, par value | $ / shares								$ 0.0001
Warrants expiry period								5 years
Warrants exercisable period											beginning 181 days after their issue date
Common stock, shares issued | shares								2,300,000
Investors | Securities Purchase Agreement | Private Placement
Nature Of Operations [Line Items]
Net proceeds from shares issuance								$ 22,250,000
Warrants to purchase shares of common stock | shares								6,675,000
Exercise price of warrants | $ / shares								$ 3.50
Convertible promissory notes, cash issuance costs								$ 1,950,000
Investors | Securities Purchase Agreement | Series A Convertible Preferred Stock
Nature Of Operations [Line Items]
Preferred stock, shares issued | shares					660,000			660,000		660,000
Preferred stock, par value | $ / shares								$ 0.0001
Investors | Securities Purchase Agreement | Series A Convertible Preferred Stock | Common Stock
Nature Of Operations [Line Items]
Preferred stock convertible into common stock | shares					6,600,000			6,600,000
Equity Purchase Agreement | Lincoln Park
Nature Of Operations [Line Items]
Net proceeds from shares issuance											$ 6,206,000
Equity purchase agreement term					2 years
Common stock, shares issued | shares			2,030,715								2,030,715
Common stock, par value | $ / shares					$ 0.0001
Percentage of common shares outstanding					19.99%
Common stock, average purchase price per share | $ / shares			$ 3.36								$ 3.36
Common stock, shares issued | shares			2,030,715								2,030,715
Commitment shares issued | shares											209,566
Commitment shares issued, value											$ 620,000
Share issued, issuance costs			$ 123,000								123,000
Gross proceeds from common stock issuance											6,826,000
Gross proceeds from commitment shares											6,826,000
Amortization of deferred issuance costs			$ 384,000								$ 384,000
Minimum | Equity Purchase Agreement | Lincoln Park
Nature Of Operations [Line Items]
Common stock, average purchase price per share | $ / shares					$ 3.9755
Common stock, issued and outstanding percentage					9.99%
Maximum | Equity Purchase Agreement | Lincoln Park
Nature Of Operations [Line Items]
Common stock, aggregate sales price					$ 31,000,000
Aggregate number of shares issuable | shares					7,763,411