CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 69,069	$ 45,118
Accounts receivable	32,327	0
Inventory, net	9,104	15,986
Prepaid expenses	6,669	6,673
Income tax receivable	18	454
Other current assets	6,058	5,818
Total current assets	123,245	74,049
Property and equipment, net	12,328	17,424
Right of use asset	3,397
Goodwill	19,976	19,976
Intangible assets, net	7,777	9,608
Other assets	443	1,787
Total assets	167,166	122,844
Current liabilities:
Accounts payable	8,710	14,864
Accrued compensation	21,302	23,024
Accrued expenses	32,161	31,842
Current portion of long term debt	3,750	0
Other current liabilities	1,399	1,817
Total current liabilities	67,322	71,547
Long term debt, net	61,906	0
Other liabilities	3,540	1,642
Total liabilities	132,768	73,189
Commitments and contingencies (Note 16)	0	0
Stockholders’ equity:
Preferred stock; $0.001 par value; 5,000,000 shares authorized and 0 shares issued and outstanding	0	0
Common stock; $0.001 par value; 150,000,000 shares authorized; 112,703,926 issued and 110,818,649 outstanding at December 31, 2019 and 112,703,926 issued and 109,098,663 outstanding at December 31, 2018	113	113
Additional paid-in capital	147,231	164,744
Treasury stock at cost: 1,885,277 shares at December 31, 2019 and 3,605,263 shares at December 31, 2018	(10,806)	(38,642)
Accumulated deficit	(102,140)	(76,560)
Total stockholders’ equity	34,398	49,655
Total liabilities and stockholders’ equity	$ 167,166	$ 122,844