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Value of rights offering shares back stopped .

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SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended	12 Months Ended
	Jan. 14, 2021	Mar. 06, 2020	Jan. 13, 2020	Mar. 31, 2020	Dec. 31, 2019	Oct. 11, 2022	Oct. 11, 2018
Subsequent events
Vesting period					4 years
Third Amendment to the MidCap Facility [Member]
Subsequent events
Maximum principal amount			$ 15.0
Subsequent Event \| Rights offering
Subsequent events
Rights offering back stopped.		$ 7.0
Common stock available for subscription		5,384,615
Share Price		$ 1.30
Subsequent Event \| Over subscription
Subsequent events
Common stock available for subscription		2,960,021
Subsequent Event \| Third Amendment to Centre Lane Agreement
Subsequent events
Prepayment premium, beginning on January 13, 2020 (as a percent)			2.00%
Prepayment premium, beginning January 14, 2021 and thereafter (as a percent)	1.00%
Subsequent Event \| Third Amendment to Centre Lane Agreement \| General and administrative expenses
Subsequent events
Expenses related to debt				$ 0.2
Subsequent Event \| Third Amendment to the MidCap Facility [Member]
Subsequent events
Maximum principal amount						$ 25.0
Percentage of origination fee in first two years			2.00%
Percentage of origination fee in third year			1.50%
Percentage of origination fee in first nine months of fourth year.			1.00%
Subsequent Event \| Third Amendment to the MidCap Facility [Member] \| General and administrative expenses
Subsequent events
Expenses related to debt				$ 0.2
Midcap Financial Trust \| Secured asset based revolving credit facility
Subsequent events
Maximum principal amount							$ 15.0