Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Current assets
Cash and cash equivalents	$ 185,463	$ 74,237
Marketable securities	46,691	48,435
Accounts receivable, net	25,212	36,015
Inventories	27,706	18,058
Prepaid expenses and other current assets	2,617	3,330
Total current assets	287,689	180,075
Property and equipment, net	27,810	27,324
Intangible assets, net	16,606	5,105
Other assets	7,414	6,073
Total assets	339,519	218,577
Current liabilities
Accounts payable	11,539	11,194
Accrued expenses	31,100	29,387
Deferred Revenue, Current	1,867	1,764
Total current liabilities	44,506	42,345
Long-term liabilities
Financing obligation	20,818	20,972
Deferred revenue	4,707	6,541
Other liabilities	696	775
Total liabilities	70,727	70,633
Commitments and contingencies
Common stock, $0.001 par value; authorized 100,000,000 common shares; issued and outstanding 39,675,865 at June 30, 2020 and 34,934,569 at June 30, 2019	39	34
Additional paid in capital	631,559	477,368
Accumulated other comprehensive income	269	78
Accumulated deficit	(363,075)	(329,536)
Total stockholders’ equity	268,792	147,944
Total liabilities and stockholders’ equity	$ 339,519	$ 218,577