| Mar'19 | Mar'18 | Mar'17 | Mar'16 | Mar'15 | Mar'14 | Mar'13 | Mar'12 | Mar'11 |
|---|---|---|---|---|---|---|---|---|
Net sales | ||||||||
12,116 | 10,024 | 18,745 | - | - | - | - | - | - |
Cost of sales | ||||||||
6,698 | 6,894 | 12,061 | - | - | - | - | - | - |
Net sales | ||||||||
- | - | - | 24,804 | 18,195 | 15,828 | 7,827 | 16,508 | 13,540 |
Cost of sales | ||||||||
- | - | - | 16,819 | 12,755 | 9,464 | 6,866 | 10,068 | 7,218 |
Gross margin | ||||||||
5,417 | 3,129 | 6,684 | 7,985 | 5,440 | 6,363 | 961 | 6,440 | 6,321 |
Operating expenses: | ||||||||
Selling, general and administrative | ||||||||
2,215 | 2,491 | 2,581 | 2,919 | 3,149 | 3,146 | 2,564 | 2,969 | 2,901 |
Litigation expenses | ||||||||
234 | 610 | 1,244 | 448 | - | - | - | - | - |
Legal damages | ||||||||
0 | 2,159 | 2,800 | 0 | - | - | - | - | - |
Engineering, research and development | ||||||||
2,312 | 2,275 | 2,430 | 2,038 | 1,961 | 1,853 | 2,149 | 2,794 | 3,256 |
Total operating expenses | ||||||||
4,762 | 7,536 | 9,056 | 5,405 | 5,110 | 4,999 | 4,714 | 5,764 | 6,158 |
Income from operations | ||||||||
654 | -4,406 | -2,371 | 2,579 | 330 | 1,363 | -3,753 | 676 | 163 |
Other income (expense): | ||||||||
Proceeds from life insurance | ||||||||
0 | 92 | 0 | - | - | - | - | - | - |
Loss on extinguishment of debt | ||||||||
- | - | - | - | -188 | -26 | 0 | - | - |
Gain on sales of capital asset | ||||||||
- | - | - | - | - | - | - | 0 | - |
Gain on sale of capital asset | ||||||||
- | - | - | - | - | - | - | - | 3 |
Proceeds from life insurance policy | ||||||||
- | - | - | - | - | - | - | -300 | - |
Interest income | ||||||||
4 | 0 | 0 | - | - | 0 | 0 | 0 | 0 |
Amortization of debt discount | ||||||||
- | - | - | - | 75 | 104 | 129 | 53 | 52 |
Amortization of deferred financing costs | ||||||||
0 | 3 | 5 | 5 | 69 | 108 | - | - | - |
Amortization of deferred financing costs | ||||||||
- | - | - | - | - | - | 219 | 108 | 60 |
Change in fair value of common stock warrants | ||||||||
-43 | 95 | 321 | -617 | -164 | -114 | 294 | 10 | -84 |
Interest expense | ||||||||
100 | 59 | 40 | 58 | 145 | 275 | 478 | 367 | 248 |
Interest expense - judgment | ||||||||
310 | 100 | 0 | - | - | - | - | - | - |
Interest expense | ||||||||
0 | 3 | 18 | 42 | 47 | 30 | 30 | 31 | 28 |
Total other expense | ||||||||
-451 | 20 | 256 | -723 | -690 | -659 | -563 | -249 | -470 |
Income (loss) before income taxes | ||||||||
203 | -4,385 | -2,115 | 1,856 | -359 | 704 | -4,316 | 426 | -306 |
Income tax expense | ||||||||
0 | -63 | 2,644 | 851 | -79 | 442 | -1,543 | 355 | -179 |
Net income (loss) | ||||||||
203 | -4,322 | -4,759 | 1,004 | -280 | 261 | -2,772 | 71 | -127 |
Deemed dividend related to beneficial conversion feature of Series B Convertible Preferred Stock | ||||||||
420 | 0 | - | - | - | - | - | - | - |
Preferred stock dividends | ||||||||
312 | 90 | 0 | - | - | - | - | - | - |
Net income (loss) attributable to common shareholders | ||||||||
-529 | -4,412 | -4,759 | - | - | - | - | - | - |
Basic income (loss) per common share (in Dollars per share) | ||||||||
-0.16 | -1.36 | -1.46 | 0.31 | -0.09 | 0.08 | -0.98 | 0.03 | -0.05 |
Diluted income (loss) per common share (in Dollars per share) | ||||||||
-0.16 | -1.36 | -1.49 | 0.31 | -0.09 | 0.10 | -0.98 | 0.02 | -0.05 |
Earnings Per Share [Abstract] | ||||||||
Basic (in Shares) | ||||||||
3,255 | 3,255 | 3,255 | 3,256 | 3,253 | 3,204 | 2,834 | 2,657 | 2,626 |
Diluted (in Shares) | ||||||||
3,255 | 3,255 | 3,266 | 3,261 | 3,253 | 3,228 | 2,834 | 2,717 | 2,626 |