CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 29,546	$ 30,078
Accounts receivable, net	12,188	8,668
Inventories	7,554	5,814
Prepaid expenses	1,153	993
Other current assets	55	52
Total current assets	50,496	45,605
Property and equipment, net	7,632	7,183
Intangible assets, net	6,808	7,102
Other non-current assets	1,029	900
Goodwill	22	22
Total assets	65,987	60,812
Current liabilities:
Accounts payable	7,845	7,075
Accrued compensation and benefits	2,819	2,614
Accrued expenses and other current liabilities	2,506	2,359
Price adjustments and other revenue reserves	4,545
Line of credit, current	1,500	1,500
Term loan, current	1,929	926
Total current liabilities	21,144	14,474
Term loan, non-current	9,924	10,908
Other non-current liabilities	75	75
Deferred rent, non-current	2,294	2,404
Deferred tax liability, non-current	2	1
Total liabilities	33,439	27,862
Commitments and contingencies (See Note 8)
Stockholders’ equity:
Common stock, $0.0001 par value, 100,000,000 shares authorized; 21,409,292 and 21,291,833 shares issued and outstanding as of March 31, 2018 and December 31, 2017 respectively	2	2
Additional paid-in capital	133,804	133,087
Accumulated other comprehensive loss	(312)	(295)
Accumulated deficit	(100,946)	(99,844)
Total stockholders’ equity	32,548	32,950
Total liabilities and stockholders’ equity	$ 65,987	$ 60,812