Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ (101,916,000)	$ (89,669,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation of property and equipment	1,751,000	2,071,000
Amortization of trademarks and other intangibles	65,000	258,000
Amortization of deferred financing costs	3,024,000	3,133,000
Amortization of debt discount	9,439,000	9,833,000
Amortization of deferred rent		(238,000)
Third party fees associated with the issuance of 5.75% Convertible Notes		4,958,000
Interest expense on 5.75% Convertible Notes paid in shares		3,067,000
Stock-based compensation (benefit) expense	971,000	(2,405,000)
Non-cash gain on re-measurement of equity investment		(8,410,000)
Provision for doubtful accounts	(1,107,000)	15,557,000
Write-off of contract asset accounts	5,143,000	1,777,000
Periodic lease cost	2,124,000
Losses (Earnings) on equity investments in joint ventures	(14,000)	(3,043,000)
Distributions from equity investments	2,681,000	3,021,000
Asset impairment	1,766,000
Goodwill impairment	0	37,812,000
Trademark impairment	65,587,000	136,417,000
Impairment of equity method investment	26,613,000	2,500,000
Mark to market adjustment on convertible note	3,861,000	(80,979,000)
loss (gain) on debt to equity conversions	1,310,000	(1,165,000)
Gain on sale of trademarks and other investments	(141,000)	(2,226,000)
(Gain) on extinguishment of debt		(4,473,000)
Loss on other equity investment	294,000	402,000
Deferred income tax benefit	(80,000)	(2,004,000)
Foreign currency translation loss	858,000	1,153,000
Changes in operating assets and liabilities:
Accounts receivable	6,927,000	13,103,000
Other assets – current	12,173,000	19,144,000
Other assets	(1,882,000)	(5,498,000)
Deferred revenue	29,000	(282,000)
Accounts payable and accrued expenses	(6,845,000)	204,000
Other tax liabilities		(531,000)
Other liabilities	(2,319,000)	454,000
Net cash provided by operating activities	30,312,000	56,082,000
Cash flows provided by (used in) investing activities:
Purchases of property and equipment	(626,000)	(829,000)
Proceeds from sale of other investments	3,695,000	958,000
Acquisition of trademarks	(3,934,000)	(339,000)
Net cash provided by (used in) investing activities	12,068,000	(5,657,000)
Cash flows (used in) provided by financing activities:
Proceeds from long-term debt, net of discount and fees		95,700,000
Proceeds from sale of trademarks and related notes receivables to consolidated joint ventures		195,000
Payment of long-term debt	(41,171,000)	(157,292,000)
Prepaid financing costs		(5,423,000)
Distributions to non-controlling interests	(12,479,000)	(14,902,000)
Tax benefit related to amortization of convertible notes' discount		159,000
Cost of shares repurchased on vesting of restricted stock	(189,000)	(223,000)
Net cash used in financing activities	(53,839,000)	(81,786,000)
Effect of exchange rate changes on cash	235,000	(697,000)
Net decrease in cash, cash equivalents, and restricted cash	(11,224,000)	(32,058,000)
Cash, cash equivalents and restricted cash, beginning of period	82,635,000	114,693,000
Cash, cash equivalents, and restricted cash, end of period	71,411,000	82,635,000
Cash paid during the period:
Income taxes (net of refunds received)	(8,704,000)	(5,702,000)
Interest	45,066,000	40,534,000
Non-cash additions to operating lease assets	10,462,000
Non-cash repurchase of China JV equity	1,265,000
Shares issued upon conversion of debt to equity	6,225,000	13,976,000
Iconix Canada
Cash flows provided by (used in) investing activities:
Acquisition of remaining interest in Iconix Canada		(7,053,000)
Marcy Media Holdings, LLC
Cash flows provided by (used in) investing activities:
Proceeds from sale of Marcy Media	15,000,000
Iconix India
Adjustments to reconcile net loss to net cash provided by operating activities:
Write-off of receivable due from Iconix India joint venture partner		1,000,000
Iconix Southeast Asia
Cash flows provided by (used in) investing activities:
Acquisition of trademarks	$ (2,067,000)	(2,120,000)
Iconix Australia
Cash flows provided by (used in) investing activities:
Acquisition of additional interest		(649,000)
Buffalo Brand Joint Venture
Adjustments to reconcile net loss to net cash provided by operating activities:
Settlement of note receivable related to formation of Buffalo joint venture		1,141,000
Cash flows provided by (used in) investing activities:
Proceeds from note receivable from formation of Buffalo joint venture		1,409,000
Sharper Image
Cash flows provided by (used in) investing activities:
Proceeds from sale of rights		1,755,000
Badgley Mischka And Sharper Image Trademarks In Certain International Joint Ventures
Cash flows provided by (used in) investing activities:
Acquisition of Badgley Mischka and Sharper Image trademarks in certain international joint ventures		(1,289,000)
Badgley Mischka In Certain International Joint Ventures
Cash flows provided by (used in) investing activities:
Proceeds from sale of rights		$ 2,500,000