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Acquisition of Halston Heritage Trademarks - Additional Information (Details) - USD ($)		9 Months Ended
	Feb. 11, 2019	Sep. 30, 2019	Feb. 10, 2019
Halston Heritage
Schedule of Asset Acquisition [Line Items]
Cash included in aggregate purchase price	$ 8,350,000
Common stock included in aggregate purchase price (in shares)	777,778
Issuance of common stock in connection with Halston Heritage assets acquisition	$ 1,058,000
Aggregate contingent consideration	6,000,000
Minimum deduction from net royalties	$ 1,500,000.0
Percentage of Aggregate Shares Outstanding	4.99%
Total acquisition price	$ 10,788,000
Halston Heritage \| Royalty Target One
Schedule of Asset Acquisition [Line Items]
Applicable percentage	50.00%
Halston Heritage \| Royalty Target Two
Schedule of Asset Acquisition [Line Items]
Applicable percentage	20.00%
Halston Heritage \| Royalty Target Three
Schedule of Asset Acquisition [Line Items]
Applicable percentage	0.00%
Maximum \| Halston Heritage \| Royalty Target One
Schedule of Asset Acquisition [Line Items]
Excess net royalties	$ 10,000,000.0
Maximum \| Halston Heritage \| Royalty Target Two
Schedule of Asset Acquisition [Line Items]
Excess net royalties	15,000,000.0
Minimum \| Halston Heritage \| Royalty Target Two
Schedule of Asset Acquisition [Line Items]
Excess net royalties	10,000,000.0
Minimum \| Halston Heritage \| Royalty Target Three
Schedule of Asset Acquisition [Line Items]
Excess net royalties	15,000,000.0
Existing Loan Agreement \| Secured Debt
Schedule of Asset Acquisition [Line Items]
Face amount of loan			$ 14,500,000.0
Additional Term Loan \| Secured Debt
Schedule of Asset Acquisition [Line Items]
Face amount of loan	7,500,000.0
Second Amended And Restated Loan And Security Agreement \| Secured Debt
Schedule of Asset Acquisition [Line Items]
Face amount of loan	22,000,000.0		$ 14,500,000
Term Loan A \| Secured Debt
Schedule of Asset Acquisition [Line Items]
Face amount of loan	7,300,000
Term Loan B \| Secured Debt
Schedule of Asset Acquisition [Line Items]
Face amount of loan	$ 14,700,000
Trademarks \| Halston Heritage
Schedule of Asset Acquisition [Line Items]
Weighted average useful life of finite-lived intangible assets acquired		18 years
Halston archives \| Halston Heritage
Schedule of Asset Acquisition [Line Items]
Weighted average useful life of finite-lived intangible assets acquired		7 years
Customer list \| Halston Heritage
Schedule of Asset Acquisition [Line Items]
Weighted average useful life of finite-lived intangible assets acquired		5 years
House Of Halston LLC \| Director
Schedule of Asset Acquisition [Line Items]
Ownership Percentage in HOH		25.00%