XML 16 R5.htm IDEA: XBRL DOCUMENT v3.20.2
Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Cash flows from operating activities:    
Net loss $ (3,784) $ (4,447)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization expense 1,082 964
Amortization of right-of-use assets 273 282
Stock-based compensation expense 54 129
Provision for doubtful accounts, net 31 40
Change of inventory to net realizable value 660 368
Changes in operating assets and liabilities:    
Receivables (358) 251
Inventories 2,331 1,840
Prepaid expenses and other assets 238 584
Accounts payable 302 (1,750)
Accrued liabilities (443) 255
Income taxes payable 6 411
Deferred product revenue 26 (44)
Operating lease liabilities (276) (281)
Other long-term liabilities (29)
Net cash provided by (used in) operating activities 113 (1,398)
Cash flows from investing activities:    
Purchase of property and equipment (218) (72)
Purchase of intangibles (114) (24)
Capitalized patent defense costs (3,792) (2,298)
Proceeds from maturities and sales of marketable securities 2,482 2,011
Purchases of marketable securities (1,903) (7,088)
Net cash used in investing activities (3,545) (7,471)
Cash flows from financing activities:    
Net proceeds from Paycheck Protection Program loan 1,499
Net proceeds from equity-based compensation programs 6 16
Net cash provided by financing activities 1,505 16
Effect of exchange rate changes on cash and cash equivalents (31) (6)
Net decrease in cash and cash equivalents (1,958) (8,859)
Cash and cash equivalents at the beginning of the period 4,064 11,211
Cash and cash equivalents at the end of the period 2,106 2,352
Supplemental cash flow activities:    
Cash paid for income taxes 12 11
Interest paid $ 134