Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF CASH FLOWS

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CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities:    
Net loss $ (4,517) $ (2,605)
Adjustments to reconcile loss to net cash used in operating activities:    
Depreciation and amortization 60 112
Non-cash interest expense 169 85
Stock-based compensation 136 432
Other (14) 0
Changes in operating assets and liabilities:    
Receivables (315) 38
Inventory 16 0
Contract assets 99 (72)
Prepaid expenses and other assets (335) (243)
Accounts payable (326) (476)
Accrued sales allowances 887 0
Other accrued liabilities 145 321
Deferred revenue (313) 1,409
Net cash used in operating activities (4,308) (999)
Cash flows from investing activities:    
Purchases of property and equipment (44) (58)
Net cash used in investing activities (44) (58)
Cash flows from financing activities:    
Net proceeds from the exercises of common stock warrants 605 0
Payments of long-term debt 0 (3,000)
Net cash provided by (used in) financing activities 605 (3,000)
Net decrease in cash and cash equivalents (3,747) (4,057)
Cash, cash equivalents and restricted cash at beginning of period 9,656 7,883
Cash, cash equivalents and restricted cash at end of period 5,909 3,826
Supplemental disclosure of cash flow information:    
Interest paid 109 123
Warrants issued 0 470
Purchases of property and equipment included in accounts payable 3 0
Schedule of non-cash transactions    
Cash and cash equivalents 5,909 3,465
Restricted cash 0 361
Cash, cash equivalents and restricted cash shown in the statement of cash flows $ 5,909 $ 3,826