CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 85,007	$ 95,812
Accounts receivable, net	37,243	35,423
Inventory	10,137	10,361
Prepaid expenses	3,350	5,605
Income tax receivable	10,138	10,045
Other current assets	1,816	3,371
Total current assets	147,691	160,617
Property and equipment, net	10,273	11,437
Right of use asset	3,144	3,623
Goodwill	19,976	19,976
Intangible assets, net	5,750	6,004
Other assets	313	375
Total assets	187,147	202,032
Current liabilities:
Accounts payable	10,563	8,765
Accrued compensation	21,257	18,467
Accrued expenses	17,073	30,460
Other current liabilities	1,678	1,470
Total current liabilities	50,571	59,162
Long term debt, net	47,905	47,697
Other liabilities	3,314	3,755
Total liabilities	101,790	110,614
Commitments and contingencies (Note 12)
Convertible preferred stock Series B; $0.001 par value; 100,000 shares authorized, issued and outstanding at June 30, 2021 and December 31, 2020	92,494	91,568
Stockholders' deficit
Preferred stock Series A; $0.001 par value; 5,000,000 shares authorized, 0 issued and outstanding at June 30, 2021 and December 31, 2020	0	0
Common stock; $0.001 par value; 187,500,000 shares authorized; 112,703,926 issued and 111,881,938 outstanding at June 30, 2021 and 112,703,926 issued and 110,930,243 outstanding at December 31, 2020	113	113
Additional paid-in capital	158,720	158,610
Treasury stock at cost; 821,988 shares at June 30, 2021 and 1,773,683 shares at December 31, 2020	(4,385)	(7,449)
Accumulated deficit	(161,585)	(151,424)
Total stockholders' deficit	(7,137)	(150)
Total liabilities, convertible preferred stock, and stockholders’ deficit	$ 187,147	$ 202,032