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Unaudited Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2016
Unaudited Quarterly Financial Data [Abstract] |
UNAUDITED QUARTERLY FINANCIAL DATA |
19. | UNAUDITED QUARTERLY FINANCIAL DATA
The following tables present the quarterly information for the years ended December 31, 2016 and 2015, respectively:
|  | Three Months Ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
Fiscal 2016: |  |  |  |  |  |  |  |  |  |  |  |
Product sales |  | $ | 2,986,359 |  |  | $ | 2,375,662 |  |  | $ | 1,968,122 |  |  | $ | 2,213,818 |
Gross margin |  |  | 1,757,560 |  |  |  | 1,239,861 |  |  |  | 1,204,627 |  |  |  | 1,218,647 |
Product development expenses |  |  | 302,443 |  |  |  | 380,434 |  |  |  | 307,721 |  |  |  | 253,737 |
Net operating income |  |  | 698,964 |  |  |  | 21,465 |  |  |  | 50,467 |  |  |  | 119,309 |
Net income (loss) |  |  | 452,448 |  |  |  | (9,155 | ) |  |  | 34,870 |  |  |  | 30,285 |
Net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.12 |  |  | $ | (0.00 | ) |  | $ | 0.01 |  |  | $ | 0.01 |
Diluted |  | $ | 0.11 |  |  | $ | (0.00 | ) |  | $ | 0.01 |  |  | $ | 0.01 |
Fiscal 2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product sales |  | $ | 3,101,491 |  |  | $ | 1,960,363 |  |  | $ | 2,472,428 |  |  | $ | 2,694,407 |
Gross margin |  |  | 1,850,925 |  |  |  | 1,130,574 |  |  |  | 1,611,902 |  |  |  | 1,657,502 |
Product development expenses |  |  | 330,665 |  |  |  | 271,759 |  |  |  | 301,746 |  |  |  | 331,139 |
Net operating income |  |  | 820,052 |  |  |  | 213,983 |  |  |  | 626,850 |  |  |  | 461,437 |
Net income |  |  | 479,082 |  |  |  | 94,058 |  |  |  | 351,292 |  |  |  | 288,807 |
Net income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.16 |  |  | $ | 0.03 |  |  | $ | 0.12 |  |  | $ | 0.09 |
Diluted |  | $ | 0.15 |  |  | $ | 0.03 |  |  | $ | 0.11 |  |  | $ | 0.09

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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