Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 59,926	$ 100,575
Restricted cash	664	663
Accounts receivable, net of allowance for doubtful accounts of $1,383 and $1,527 at June 30, 2020 and December 31, 2019, respectively	8,108	15,638
Inventories, net	23,338	23,210
Income taxes receivable	6,846	631
Other current assets	2,407	13,191
Total current assets	101,289	153,908
Property and equipment, net	8,017	39,829
Operating lease right-of-use assets	2,422	16,388
Goodwill	17,522	0
Deferred tax assets, net	152	152
Other intangible assets, net	12,777	20,323
Other long-term assets	17	0
TOTAL ASSETS	142,196	230,600
Current liabilities:
Accounts payable	7,876	16,231
Accrued liabilities	10,474	24,552
Income taxes payable	12	0
Current portion of long-term debt	2,527	0
Current portion of operating lease liabilities	654	486
Current portion of finance lease liabilities	57	55
Total current liabilities	21,600	41,324
Long-term debt, less current portion	3,144	0
Deferred revenue, long-term	111	0
Long-term operating lease liabilities	8,497	16,973
Long-term finance lease liabilities	127	158
Deferred tax liabilities, net	11	116
Total liabilities	33,490	58,571
Commitments and contingencies (See Note 19)
Stockholders’ equity:
Preferred stock, $0.0001 par value, 100,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value, 140,000,000 shares authorized; 77,626,135 shares issued and 73,166,719 shares outstanding at June 30, 2020; 63,656,897 shares issued and 59,511,416 shares outstanding at December 31, 2019	7	6
Additional paid-in capital	357,980	347,564
Accumulated other comprehensive income	51	181
Retained earnings (accumulated deficit)	(215,766)	(142,238)
Treasury stock, at cost; 4,459,416 and 4,145,481 shares at June 30, 2020 and December 31, 2019, respectively	(33,566)	(33,484)
Total stockholders’ equity	108,706	172,029
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 142,196	$ 230,600