Consolidated balance sheets - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 46,167	$ 53,874	$ 51,205
Accounts receivable, net	29,721	32,275	36,724
Inventory, net	46,209	43,779	46,341
Prepaid expenses and other current assets	10,263	7,340	7,473
Total current assets	132,360	137,268	141,743
Property and equipment, net	17,171	16,006	21,804
Intangible assets, net	102,410	97,053	98,773
Goodwill	171,321	157,264	157,264
Investments	2,875	2,875	2,875
Other assets	26,967	21,222	13,397
Total assets	453,104	431,688	435,856
Current liabilities:
Current portion of long-term debt and finance lease obligations	12,568	10,259	9,861
Accounts payable	12,390	16,280	20,483
Accrued expenses and other current liabilities	26,165	18,590	12,671
Total current liabilities	51,123	45,129	43,015
Long-term portion of debt	126,088	138,025	140,523
Deferred tax liabilities	21,892	16,753	20,217
Long-term operating lease obligations	11,239	15,898	0
Other long-term liabilities	591	668	2,770
Total liabilities	210,933	216,473	206,525
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, par value of $0.01 per share; 250,000,000 shares authorized as of March 31, 2020, March 31, 2019 and December 31, 2018; 50,003,531, 49,645,450 and 48,715,276 shares issued and outstanding as of March 31, 2020, March 31, 2019 and December 31, 2018, respectively	489	483	478
Additional paid-in capital	753,213	744,147	740,354
Accumulated deficit	(511,531)	(529,415)	(511,501)
Total stockholders' equity	242,171	215,215	229,331
Total liabilities and stockholders' equity	$ 453,104	$ 431,688	$ 435,856