| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Net sales | ||||||||||
45,748 | 54,587 | 56,311 | 57,235 | - | - | - | - | - | - | - |
Cost of sales | ||||||||||
23,813 | 27,844 | 29,649 | 33,436 | - | - | - | - | - | - | - |
Net sales | ||||||||||
- | - | - | - | 59,676 | 53,108 | 60,141 | 68,386 | 65,969 | 63,194 | 58,346 |
Cost of sales | ||||||||||
- | - | - | - | 34,698 | 31,397 | 35,049 | 42,404 | 41,343 | 40,646 | 39,517 |
Gross profit | ||||||||||
21,935 | 26,743 | 26,662 | 23,799 | 24,978 | 21,711 | 25,092 | 25,982 | 24,626 | 22,548 | 18,829 |
Operating expenses: | ||||||||||
Engineering, design and product development | ||||||||||
4,393 | 4,576 | 4,303 | 4,425 | 3,599 | 4,302 | 4,065 | 4,239 | 3,418 | 3,000 | 2,788 |
Selling and marketing | ||||||||||
8,033 | 7,203 | 7,561 | 6,907 | 7,806 | 7,920 | 7,346 | 6,637 | 6,402 | 6,407 | 5,821 |
General and administrative | ||||||||||
9,166 | 8,205 | 7,984 | 7,267 | 7,367 | 7,756 | 6,588 | 7,833 | 7,633 | 7,280 | 6,924 |
Legal fees and settlement expenses associated with lawsuit (Note 10) | ||||||||||
- | - | - | - | 1,738 | 5,505 | - | - | - | - | - |
Legal fees associated with lawsuit (Note 7) | ||||||||||
- | - | - | - | - | - | - | 1,533 | - | - | - |
Legal fees and settlement expenses associated with lawsuit (Note 10) | ||||||||||
- | - | - | - | - | - | 476 | 138 | 184 | - | - |
Operating expenses | ||||||||||
21,592 | 19,984 | 19,848 | 18,599 | 20,510 | 25,483 | 18,475 | 20,380 | 17,637 | 16,687 | 15,533 |
Operating income | ||||||||||
343 | 6,759 | 6,814 | 5,200 | 4,468 | -3,772 | 6,617 | 5,602 | 6,989 | 5,861 | 3,296 |
Interest and other income (expense): | ||||||||||
Interest expense | ||||||||||
28 | 27 | 33 | 33 | 37 | 61 | 64 | 61 | 69 | 96 | 70 |
Interest income | ||||||||||
17 | 0 | 0 | 7 | 9 | 12 | 41 | 67 | 87 | 87 | 20 |
Other, net | ||||||||||
35 | -266 | -9 | -4 | 2 | -33 | -63 | -23 | 1 | -25 | -33 |
Interest and other income (expense) | ||||||||||
- | - | - | - | -26 | -82 | - | - | - | - | - |
Interest and other income (expense) | ||||||||||
24 | -293 | -42 | -30 | - | - | - | - | - | - | - |
- | - | - | - | - | - | -86 | -17 | 19 | -34 | -83 |
Income before income taxes | ||||||||||
367 | 6,466 | 6,772 | 5,170 | 4,442 | -3,854 | 6,531 | 5,585 | 7,008 | 5,827 | 3,213 |
Income tax provision | ||||||||||
-149 | 1,040 | 3,561 | 1,553 | 1,350 | -1,433 | 1,596 | 1,964 | 2,332 | 1,923 | 1,073 |
Net income | ||||||||||
516 | 5,426 | 3,211 | 3,617 | 3,092 | -2,421 | 4,935 | 3,621 | 4,676 | 3,904 | 2,140 |
Net income per common share [Abstract] | ||||||||||
Basic (in dollars per share) | ||||||||||
0.07 | 0.73 | 0.43 | 0.48 | 0.40 | -0.29 | 0.57 | 0.40 | 0.50 | 0.42 | 0.23 |
Diluted (in dollars per share) | ||||||||||
0.07 | 0.70 | 0.42 | 0.47 | 0.39 | -0.29 | 0.57 | 0.40 | 0.49 | 0.41 | 0.23 |
Shares used in per-share calculation: | ||||||||||
Basic: Weighted average common shares outstanding (in shares) | ||||||||||
7,466 | 7,444 | 7,423 | 7,610 | 7,818 | 8,307 | 8,589 | 9,032 | 9,443 | 9,390 | 9,289 |
Diluted: Weighted average common and common equivalent shares outstanding (in shares) | ||||||||||
7,677 | 7,759 | 7,592 | 7,655 | 7,854 | 8,307 | 8,703 | 9,121 | 9,603 | 9,590 | 9,377 |
Dividends declared and paid per common share (in dollars per share) | ||||||||||
0.36 | 0.36 | 0.35 | 0.32 | 0.32 | 0.31 | 0.27 | 0.06 | - | - | - |