Summary of Significant Accounting Policies - (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Earnings Per Share, Basic and Diluted [Abstract]
Dividend rate (as a percent)			10.00%
Basic and Diluted Loss per Common Share	$ (0.89)	$ (0.12)	$ (1.87)	$ (0.80)
Change in accounting estimate
Net sales	$ 39,831	$ 42,389	$ 114,614	$ 118,944
Cost of Goods Sold.	22,671	24,334	66,774	66,067
Gross profit	17,160	18,055	47,840	52,877
Operating expenses
Selling, general and administrative	25,029	15,334	58,992	47,633
Depreciation and amortization	1,377	1,493	4,252	4,526
Total operating expenses	26,406	16,827	63,244	52,159
Operating loss	(9,246)	1,228	(15,404)	718
Interest expense	2,462	2,262	7,097	6,536
Other expense, net	21	(12)	124	(1)
Loss before income taxes	(11,729)	(1,022)	(22,625)	(5,817)
Income tax benefit	(1,150)	(839)	(2,275)	776
Net loss	(10,579)	(183)	(20,350)	(6,593)
Cash and cash equivalents	3,514	2,792	8,250	6,476	$ 3,514		$ 8,250	$ 2,792	$ 6,476
Accounts receivable, net					21,490		22,246	23,732
Inventories					33,567		31,733	38,004
Prepaid expenses and other current assets					5,157		4,832	5,170
Property and equipment, net					7,281		8,417	9,287
Goodwill					8,406		8,380	8,471	8,271
Intangible assets, net					87,195		89,332	90,414
Other assets					2,255		484	515
Total assets					168,865		173,674	178,385
Accounts payable and accrued expenses					35,251		22,204	26,218
Short-term convertible note							13,694	13,565
Current portion of long-term debt					3,438		2,813	2,188
Line of credit					24,414		21,254	20,819
Convertible notes					14,866		13,866	13,549
Long-term debt, net of current portion					42,309		44,896	45,444
Deferred income taxes, net					4,093		6,650	12,880
Total liabilities					128,103		128,931	138,254
Common stock					1,413		1,349	1,333
Additional paid-in capital					76,248		61,314	60,384
Accumulated other comprehensive income					408		271	740
Accumulated deficit					(37,771)		(18,196)	(22,331)
Total equity					40,762		44,743	40,131	44,524
Total liabilities and equity					168,865		173,674	178,385
Adjustments to reconcile net loss to net cash provided by operating activities:
Net loss	(10,579)	(183)	(20,350)	(6,593)
Depreciation and amortization	1,377	1,493	4,252	4,526
Amortization of deferred financing costs			328	326
Amortization of convertible notes discount			568	516
Paid-in-kind interest			1,300	1,206
Stock-based compensation			2,121	1,339
Provision for bad debts			457	181
Loss on disposal of assets			4
Deferred taxes			(2,577)	1,648
Changes in operating assets and liabilities:
Accounts receivable			2,439	(3,493)
Inventories			(2,149)	(13,823)
Prepaid expenses and other assets			475	(916)
Accounts payable and accrued expenses			9,534	7,943
Other liabilities			125	(38)
Net cash used in operating activities			(3,473)	(7,178)
Net cash used in investing activities			(976)	(770)
Net cash (used in) provided by financing activities			(369)	4,384
Effect of exchange rate changes on cash and cash equivalents			82	(120)
Net change in cash and cash equivalents			(4,736)	(3,684)
CASH AND CASH EQUIVALENTS, at beginning of period			8,250	6,476
CASH AND CASH EQUIVALENTS, at end of period	3,514	2,792	3,514	2,792
Wholesale
Change in accounting estimate
Net sales	28,410	32,393	80,808	88,910
Gross profit	9,724	11,655	25,817	33,210
Operating expenses
Total operating expenses	3,586	3,428	9,951	11,053
Operating loss	6,138	$ 8,227	15,866	$ 22,157
Total assets					54,573		53,958	61,536
Accumulated deficit						$ (569)
Retail
Operating expenses
Accumulated deficit						39
Licensing
Operating expenses
Accumulated deficit						1,300
Preferred Series A
Operating expenses
Total equity					5		5	$ 5	$ 5
ASU 2014-09
Change in accounting estimate
Net sales	39,831		114,614
Cost of Goods Sold.	22,671		66,774
Gross profit	17,160		47,840
Operating expenses
Selling, general and administrative	25,029		58,992
Depreciation and amortization	1,377		4,252
Total operating expenses	26,406		63,244
Operating loss	(9,246)		(15,404)
Interest expense	(2,462)		(7,097)
Other expense, net	21		124
Loss before income taxes	11,729		22,625
Income tax benefit	(1,150)		(2,275)
Net loss	(10,579)		(20,350)
Cash and cash equivalents	3,514		8,250		3,514		8,250
Accounts receivable, net					21,490	24,398
Inventories					33,567	31,389
Prepaid expenses and other current assets					5,157	5,584
Property and equipment, net					7,281
Goodwill					8,406
Intangible assets, net					87,195
Other assets					2,255	1,828
Total assets					168,865
Accounts payable and accrued expenses					35,251	25,281
Current portion of long-term debt					3,438
Line of credit					24,414
Convertible notes					14,866
Long-term debt, net of current portion					42,309
Deferred income taxes, net					4,093
Other liabilities					3,732	3,606
Total liabilities					128,103
Common stock					1,413
Additional paid-in capital					76,248
Accumulated other comprehensive income					408
Accumulated deficit					(37,771)	(17,421)
Total equity					40,762
Total liabilities and equity					168,865
Adjustments to reconcile net loss to net cash provided by operating activities:
Net loss			(20,350)
Depreciation and amortization	1,377		4,252
Amortization of deferred financing costs			328
Amortization of convertible notes discount			568
Paid-in-kind interest			1,300
Stock-based compensation			2,121
Provision for bad debts			(457)
Loss on disposal of assets			4
Deferred taxes			(2,577)
Changes in operating assets and liabilities:
Accounts receivable			2,439
Inventories			(2,149)
Prepaid expenses and other assets			474
Accounts payable and accrued expenses			9,534
Other liabilities			125
Net cash used in operating activities			(3,474)
Net cash used in investing activities			(976)
Net cash (used in) provided by financing activities			(368)
Effect of exchange rate changes on cash and cash equivalents			82
Net change in cash and cash equivalents			(4,736)
CASH AND CASH EQUIVALENTS, at beginning of period			8,250
CASH AND CASH EQUIVALENTS, at end of period	3,514		3,514
ASU 2014-09 | Preferred Series A
Operating expenses
Convertible preferred stock					5
ASU 2014-09 | Series A-1 preferred stock
Operating expenses
Convertible preferred stock					459
Adjustments | ASU 2014-09
Change in accounting estimate
Net sales	45		(136)
Cost of Goods Sold.	59		(65)
Gross profit	(14)		(71)
Operating expenses
Operating loss	(14)		(71)
Loss before income taxes	14		71
Net loss	(14)		(71)
Accounts receivable, net					(2,031)	2,152
Inventories					327	(344)
Prepaid expenses and other current assets					(669)	752
Other assets					(1,496)	1,344
Total assets					(3,869)
Accounts payable and accrued expenses					(2,738)	3,077
Other liabilities					(285)	52
Total liabilities					(3,023)
Accumulated deficit					(846)	775
Total equity					(846)
Total liabilities and equity					(3,869)
Adjustments to reconcile net loss to net cash provided by operating activities:
Net loss			(71)
Changes in operating assets and liabilities:
Accounts receivable			34
Inventories			118
Prepaid expenses and other assets			152
Other liabilities			(233)
Balances without adoption of ASC 606 | ASU 2014-09
Change in accounting estimate
Net sales	39,876		114,478
Cost of Goods Sold.	22,730		66,709
Gross profit	17,146		47,769
Operating expenses
Selling, general and administrative	25,029		58,992
Depreciation and amortization	1,377		4,252
Total operating expenses	26,406		63,244
Operating loss	(9,260)		(15,475)
Interest expense	(2,462)		(7,097)
Other expense, net	21		124
Loss before income taxes	11,743		22,696
Income tax benefit	(1,150)		(2,275)
Net loss	(10,593)		(20,421)
Cash and cash equivalents	3,514		8,250		3,514		$ 8,250
Accounts receivable, net					19,459	22,246
Inventories					33,894	31,733
Prepaid expenses and other current assets					4,488	4,832
Property and equipment, net					7,281
Goodwill					8,406
Intangible assets, net					87,195
Other assets					759	484
Total assets					164,996
Accounts payable and accrued expenses					32,513	22,204
Current portion of long-term debt					3,438
Line of credit					24,414
Convertible notes					14,866
Long-term debt, net of current portion					42,309
Deferred income taxes, net					4,093
Other liabilities					3,447	3,554
Total liabilities					125,080
Common stock					1,413
Additional paid-in capital					76,248
Accumulated other comprehensive income					408
Accumulated deficit					(38,617)	$ (18,196)
Total equity					39,916
Total liabilities and equity					164,996
Adjustments to reconcile net loss to net cash provided by operating activities:
Net loss			(20,421)
Depreciation and amortization	1,377		4,252
Amortization of deferred financing costs			328
Amortization of convertible notes discount			568
Paid-in-kind interest			1,300
Stock-based compensation			2,121
Provision for bad debts			(457)
Loss on disposal of assets			4
Deferred taxes			(2,577)
Changes in operating assets and liabilities:
Accounts receivable			2,473
Inventories			(2,031)
Prepaid expenses and other assets			626
Accounts payable and accrued expenses			9,534
Other liabilities			(108)
Net cash used in operating activities			(3,474)
Net cash used in investing activities			(976)
Net cash (used in) provided by financing activities			(368)
Effect of exchange rate changes on cash and cash equivalents			82
Net change in cash and cash equivalents			(4,736)
CASH AND CASH EQUIVALENTS, at beginning of period			8,250
CASH AND CASH EQUIVALENTS, at end of period	$ 3,514		$ 3,514
Balances without adoption of ASC 606 | ASU 2014-09 | Preferred Series A
Operating expenses
Convertible preferred stock					5
Balances without adoption of ASC 606 | ASU 2014-09 | Series A-1 preferred stock
Operating expenses
Convertible preferred stock					$ 459
As Previously Reported
Earnings Per Share, Basic and Diluted [Abstract]
Basic and Diluted Loss per Common Share		$ 0.01		$ 0.50