XML 68 R7.htm IDEA: XBRL DOCUMENT v3.20.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Operating activities    
Net loss $ (12,595) $ (39,672)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 1,014 1,702
Amortization of right-of-use assets 634 1,302
Gain on disposal of property and equipment and from lease termination (76)  
Accretion of discounts on marketable securities (87) (323)
Change in fair value of warrant liability (8,610)  
Stock compensation expense 1,778 6,170
Cost of sales - amortization of intangible assets 2,298 2,273
Non-cash interest expense 1,338 814
Tenant improvements provided by the landlord 908  
Changes in operating assets and liabilities:    
Accounts and other receivables, net 751 (2,087)
Inventories, net (6,767) (8,547)
Prepaid expenses and other current assets (1,000) 154
Other assets 43 1,872
Accounts payable (2,095) 4,424
Lease liabilities (672) (106)
Accrued liabilities and other liabilities (3,728) (7,878)
Net cash used in operating activities (26,866) (39,902)
Investing activities    
Acquisition of technology licenses (7,000) (7,000)
Purchases of marketable securities (17,985) (29,205)
Proceeds from maturities and redemptions of marketable securities 37,900 54,700
Purchases of property and equipment, net (2,352) (3,882)
Net cash provided by investing activities 10,563 14,613
Financing activities    
Proceeds from long-term debt, net   74,250
Proceeds from issuance of common stock, net 14,229 13,623
(Tax withholding) from exercise of stock options and restricted stock awards, net (1) (18)
Proceeds from Employee Stock Purchase Plan 311 407
Net cash provided by financing activities 14,539 88,262
Effect of exchange rate changes on cash, cash equivalents and restricted cash (225) (192)
Net (decrease) increase in cash, cash equivalents and restricted cash (1,989) 62,781
Cash, cash equivalents and restricted cash at beginning of period 40,100 49,967
Cash, cash equivalents and restricted cash at end of period 38,111 112,748
Supplemental disclosure of cash flow information    
Cash paid during the period for interest 3,412 1,940
Non-cash investing and financing activities:    
Purchases of property and equipment, not yet paid $ 408 7,230
Right-of-use assets obtained in exchange for operating lease liabilities   $ 34,807