| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss | ||||||
-8,307 | -5,691 | -2,135 | ||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Stock-based compensation expense | ||||||
1,171 | 467 | 643 | ||||
Amortization of held-to-maturity securities, net | ||||||
198 | 676 | 1,107 | ||||
Provision for contract losses | ||||||
- | - | -216 | ||||
Foreign currency exchange loss (gain), net | ||||||
-27 | -20 | 249 | ||||
Changes in operating assets and liabilities: | ||||||
Interest receivable | ||||||
35 | -195 | -3 | ||||
Accounts receivable | ||||||
252 | 59 | -333 | ||||
Income tax receivable | ||||||
-506 | 1,007 | 0 | ||||
Prepaid research and development | ||||||
-253 | -913 | 1,167 | ||||
Prepaid expenses and other current assets | ||||||
105 | 17 | -97 | ||||
Other assets | ||||||
- | - | 47 | ||||
Accounts payable | ||||||
657 | -195 | 207 | ||||
Accrued expenses | ||||||
166 | 251 | -242 | ||||
Deferred research and development obligation | ||||||
-62 | 141 | -122 | ||||
Income taxes payable | ||||||
0 | -100 | 97 | ||||
Net cash used in operating activities | ||||||
-5,782 | -4,407 | -1,691 | ||||
Cash flows from investing activities | ||||||
Purchases of held-to-maturity investment securities | ||||||
47,615 | 49,734 | 51,463 | ||||
Proceeds from maturities of investment securities | ||||||
55,323 | 53,063 | 50,651 | ||||
Net cash provided by investing activities | ||||||
7,707 | 3,328 | -812 | ||||
Cash flows from financing activities | ||||||
Repurchases of common stock | ||||||
0 | 2,304 | 6,223 | ||||
Proceeds from exercise of options | ||||||
550 | 4 | 1 | ||||
Net cash provided by financing activities | ||||||
550 | -2,299 | -6,222 | ||||
Effect of exchange rate changes on cash | ||||||
-37 | -21 | 257 | ||||
Net (decrease) increase in cash and cash equivalents | ||||||
2,437 | -3,400 | -8,467 | ||||
Supplemental cash flow information | ||||||
Cash received from income tax refund | ||||||
500 | 0 | 163 | ||||