| Mar'20 | Mar'19 | Mar'18 | Mar'17 | Mar'16 | Mar'15 | Mar'14 | Mar'13 | Mar'12 | Mar'11 | Mar'10 |
|---|---|---|---|---|---|---|---|---|---|---|
OPERATING ACTIVITIES | ||||||||||
Net income | ||||||||||
14,526 | 14,507 | 13,912 | 12,948 | 12,292 | 14,368 | 11,135 | 11,828 | 11,381 | 13,360 | 11,999 |
Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||
Depreciation and amortization | ||||||||||
549 | 705 | 979 | 1,147 | 850 | 934 | 844 | - | - | - | - |
Depreciation | ||||||||||
- | - | - | - | - | - | - | 647 | 500 | 411 | 389 |
Stock-based compensation | ||||||||||
48 | 93 | 40 | 22 | 21 | 58 | 53 | 66 | 80 | 76 | 100 |
Excess tax benefits | ||||||||||
- | - | - | 32 | 352 | 24 | 57 | 15 | 0 | 230 | 280 |
Deferred income taxes | ||||||||||
77 | -31 | 96 | 6 | 295 | 155 | 121 | 51 | -12 | 294 | 271 |
Changes in operating assets and liabilities: | ||||||||||
Accounts receivable | ||||||||||
-301 | 106 | -548 | 1,192 | -719 | 632 | -189 | -163 | -911 | -625 | 854 |
Inventories | ||||||||||
-380 | 614 | 292 | 153 | -537 | 535 | -129 | 107 | -114 | 1,637 | -541 |
Prepaid expenses and other assets | ||||||||||
394 | 180 | 27 | -127 | 159 | -241 | -141 | -201 | -25 | 404 | 111 |
Accounts payable and accrued expenses | ||||||||||
405 | -154 | 37 | 77 | -611 | 303 | -157 | -190 | -187 | 332 | 491 |
Deferred revenue | ||||||||||
- | - | -142 | -572 | 714 | 0 | 0 | - | - | -20 | -83 |
Net cash provided by operating activities | ||||||||||
- | - | - | - | - | 14,870 | 12,401 | - | - | - | - |
Net cash provided by operating activities | ||||||||||
15,895 | 14,218 | 15,151 | 12,379 | 14,309 | - | - | 12,645 | 12,811 | 12,808 | 12,463 |
INVESTING ACTIVITIES | ||||||||||
Purchases of fixed assets | ||||||||||
52 | 68 | 604 | 519 | 287 | 185 | 160 | 1,824 | 1,480 | 732 | 305 |
Purchases of marketable securities | ||||||||||
7,196 | 13,672 | 18,217 | 11,528 | 14,568 | 8,997 | 22,753 | 27,209 | 18,501 | 14,742 | 13,804 |
Proceeds from maturities and sales of marketable securities | ||||||||||
12,500 | 20,800 | 19,540 | 19,400 | 19,725 | 12,160 | 10,055 | 17,194 | 7,761 | 1,580 | 258 |
Cash used in investing activities | ||||||||||
- | - | - | - | - | 2,977 | -12,859 | - | - | - | - |
Net cash provided by investing activities | ||||||||||
5,251 | 7,059 | 717 | 7,351 | 4,869 | - | - | -11,840 | -12,219 | -13,894 | -13,852 |
FINANCING ACTIVITIES | ||||||||||
Proceeds from exercise of stock options | ||||||||||
112 | 217 | - | - | - | - | - | - | - | - | - |
Proceeds from sale of common stock | ||||||||||
- | - | 51 | 247 | 292 | 302 | 416 | 144 | 0 | 418 | 622 |
Excess tax benefits | ||||||||||
- | - | - | 32 | 352 | 24 | 57 | 15 | 0 | 230 | 280 |
Repurchase of common stock | ||||||||||
687 | - | - | 0 | 2,311 | 0 | 1,263 | 0 | 0 | - | - |
Payment of dividends to shareholders | ||||||||||
19,384 | 19,374 | 19,365 | 19,346 | 19,414 | 10,000 | 0 | 0 | - | - | - |
Cash used in financing activities | ||||||||||
- | - | - | - | - | -9,673 | -789 | - | - | - | - |
Net cash used in financing activities | ||||||||||
-19,959 | -19,156 | -19,314 | -19,066 | -21,081 | - | - | 159 | 0 | 648 | 902 |
Increase in cash and cash equivalents | ||||||||||
1,188 | 2,122 | -3,444 | 664 | -1,902 | 8,174 | -1,247 | 965 | 592 | -437 | -485 |
Supplemental disclosures of cash flow information: | ||||||||||
Cash paid during the year for income taxes | ||||||||||
2,586 | 3,426 | 5,966 | 6,040 | 5,810 | 6,800 | 5,263 | 5,202 | 5,207 | 6,303 | 5,587 |