| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net (loss) income | ||||||
10,971 | 6,623 | 5,855 | 2,879 | 1,393 | 2,070 | |
Adjustments to reconcile net (loss) income to net cash provided by operating activities: | ||||||
Depreciation and amortization | ||||||
3,538 | 3,737 | 1,800 | 799 | 827 | 706 | |
Net amortization of premiums and discounts on securities available-for-sale | ||||||
-307 | -102 | 49 | - | - | - | |
Deferred income taxes | ||||||
146 | 6,182 | -143 | 611 | -852 | 1,558 | |
Stock-based compensation expense | ||||||
9,824 | 7,974 | 4,235 | 1,889 | 316 | 148 | |
Deferred compensation | ||||||
- | - | - | - | -6 | - | |
Change in allowance for doubtful accounts | ||||||
- | - | - | - | 100 | 500 | |
Impairment losses | ||||||
- | 2,534 | - | - | - | - | |
Loss on termination of lease | ||||||
-1,100 | - | - | - | - | - | |
Other | ||||||
-7 | -4 | - | - | - | - | |
Changes in assets and liabilities: | ||||||
Accounts receivable | ||||||
9,112 | 6,709 | 2,882 | 522 | -403 | 4,671 | |
Net investment in leases | ||||||
8,147 | - | - | - | - | - | |
Inventories | ||||||
7,870 | 870 | 4,486 | 773 | 2,260 | 608 | |
Income taxes | ||||||
-2,428 | -165 | 2,730 | 81 | -804 | - | |
Prepaid expenses and other assets | ||||||
1,166 | 1,140 | -146 | 407 | 452 | 142 | |
Right of use operating lease assets | ||||||
-625 | - | - | - | - | - | |
Medicare accounts receivable, non-current | ||||||
2,300 | -834 | -105 | 784 | 737 | 381 | |
Accounts payable | ||||||
-1,389 | 690 | 462 | 1,407 | -83 | 547 | |
Accrued payroll and related taxes | ||||||
2,677 | 715 | 14 | 3,337 | 1,352 | -601 | |
Accrued expenses and other liabilities | ||||||
1,729 | 734 | 1,481 | 824 | 269 | 44 | |
Future product royalties | ||||||
- | - | - | -924 | -379 | -161 | |
Net cash provided by operating activities | ||||||
2,510 | 9,007 | 4,192 | 7,033 | 2,399 | -991 | |
Cash flows from investing activities | ||||||
Proceeds from sales of securities available-for-sale | ||||||
1,493 | 2,000 | 1,000 | - | - | - | |
Proceeds from maturities of securities available-for-sale | ||||||
25,000 | 15,000 | 1,000 | - | - | - | |
Purchases of securities available-for-sale | ||||||
22,840 | 21,680 | 12,051 | 11,011 | - | - | |
Purchases of property and equipment | ||||||
5,446 | 4,196 | 3,746 | 775 | 592 | 353 | |
Intangible assets costs | ||||||
542 | 5,350 | 74 | 58 | 23 | - | |
Other investments | ||||||
- | 500 | 145 | - | - | - | |
Net cash provided by investing activities | ||||||
-2,335 | -14,726 | -14,016 | -11,844 | -615 | -353 | |
Cash flows from financing activities | ||||||
Payments on notes payable | ||||||
- | - | - | - | 13 | 9 | |
Taxes paid for net share settlement of restricted stock units | ||||||
3,391 | 2,379 | 387 | - | - | - | |
Proceeds from exercise of common stock options | ||||||
2,834 | 1,515 | 834 | 236 | 914 | 230 | |
Proceeds from the issuance of common stock from the employee stock purchase plan | ||||||
3,053 | 2,714 | 3,137 | - | - | - | |
Shares repurchased to cover taxes from restricted stock award vesting | ||||||
- | - | 493 | - | - | - | |
Dividends paid on preferred stock | ||||||
- | - | - | 8,207 | - | - | |
Proceeds from IPO | ||||||
- | - | - | 41,200 | - | - | |
Fees paid for IPO | ||||||
- | - | - | 4,777 | 1,041 | - | |
Net cash used in financing activities | ||||||
2,496 | 1,850 | 3,091 | 28,452 | -140 | 221 | |
Net increase in cash and cash equivalents | ||||||
2,671 | -3,869 | -6,733 | 23,641 | 1,644 | -1,123 | |
Supplemental cash flow disclosure | ||||||
Cash paid for interest | ||||||
- | 9 | - | - | 1 | 1 | |
Cash paid for taxes | ||||||
344 | 2,883 | 923 | 2,158 | 240 | 238 | |
Non-cash investing activities: | ||||||
Capital expenditures incurred but not yet paid | ||||||
122 | 167 | 15 | 174 | - | - | |