Condensed consolidated balance sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Current assets:
Cash	$ 17,445	$ 10,059	$ 3,354
Accounts receivable, net	27,639	44,634	26,143
Inventory, net	59,861	62,679	72,274
Prepaid expenses and other current assets	10,385	6,272	5,724
Total current assets	115,330	123,644	107,495
Property and equipment, net	18,813	18,037	16,080
Intangible assets, net	102,375	105,882	109,390
Goodwill	157,264	157,264	157,264
Investments	2,875	2,875	2,875
Other assets	9,655	9,542	2,720
Total assets	406,312	417,244	395,824
Current liabilities:
Current portion of long-term debt and capital lease obligations	8,660	8,646	22,765
Accounts payable	13,760	26,776	15,653
Accrued expenses and other current liabilities	9,815	15,939	12,053
Total current liabilities	32,235	51,361	50,471
Long-term debt and capital lease obligations	143,708	147,702	152,201
Deferred tax liabilities	22,732	21,341	31,740
Other long-term liabilities	3,123	2,977	3,259
Total liabilities	201,798	223,381	237,671
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock, par value of $0.01 per share; 250,000,000 shares authorized as of June 30, 2018, December 31, 2017 and June 30, 2017; 47,581,682, 46,617,830 and 46,082,501 shares issued and outstanding as of June 30, 2018, December 31, 2017 and June 30, 2017, respectively	467	463	458
Additional paid-in capital	729,135	720,372	712,012
Accumulated deficit	(525,088)	(526,972)	(554,317)
Total stockholders' equity	204,514	193,863	158,153
Total liabilities and stockholders' equity	$ 406,312	$ 417,244	$ 395,824

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.