v3.20.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Cash flows from operating activities:    
Net loss $ (8,192) $ (9,504)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 307 211
Amortization of right-of-use assets 470 437
Amortization of intangible assets 36 26
Provision for bad debt 22 16
Provision for inventory write-down 924 444
Changes in investment gains and losses (49) (294)
Share-based compensation 556 2,315
Change in operating assets and liabilities:    
Accounts receivable 3,902 112
Inventory (1,626) (1,582)
Prepaid expenses and other (2,024) (1,783)
Accounts payable and accrued expenses (1,903) 1,161
Operating lease obligations (472) (423)
Cash paid for interest portion of finance leases   (1)
Contract and other liabilities (3) (2)
Net cash used in operating activities (8,052) (8,867)
Cash flows from investing activities:    
Purchase of property and equipment (5,021) (478)
Purchase of investments (11,760) (48,914)
Proceeds from sale of investments 25,450 57,171
Cash payments for intangible assets (119) (9)
Net cash provided by investing activities 8,550 7,770
Cash flows from financing activities:    
Payments for repurchase of common stock for employee tax withholding (639)  
Cash paid for debt portion of finance leases (5) (7)
Proceeds from exercise of stock options 316 332
Net cash provided by /( used for) financing activities (328) 325
Net increase / (decrease) in cash, cash equivalents, and restricted cash 170 (772)
Cash, cash equivalents, and restricted cash, beginning of period 41,724 30,294
Cash, cash equivalents and restricted cash, end of period 41,894 29,522
Supplemental disclosures of cash flow activity:    
Cash paid for interest 11 14
Supplemental disclosure of non-cash investing and financing activities:    
Acquisition of fixed assets in accounts payable and accrued expenses 3,674 946
Right-of-use asset and operating lease liability (Adoption of ASC 842) $ 120 $ 618

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