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v3.20.4

QUARTERLY FINANCIAL DATA (Unaudited) | 12 Months Ended
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Dec. 31, 2020
QUARTERLY FINANCIAL DATA (Unaudited) |
QUARTERLY FINANCIAL DATA (Unaudited) | 21. QUARTERLY FINANCIAL DATA (Unaudited) ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Net Income per Common
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | Share
​ |  | Net Sales |  | Gross Profit |  | Net Income |  | Basic |  | Diluted
Quarter ended: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
March 31, 2020 | ​ | $ | 1,062,097 | ​ | $ | 637,196 | ​ | $ | 278,835 | ​ | $ | 0.52 | ​ | $ | 0.52
June 30, 2020 | ​ |  | 1,093,896 | ​ |  | 659,469 | ​ |  | 311,369 | ​ | $ | 0.59 | ​ | $ | 0.59
September 30, 2020 | ​ |  | 1,246,362 | ​ |  | 736,531 | ​ |  | 347,654 | ​ | $ | 0.66 | ​ | $ | 0.65
December 31, 2020 | ​ |  | 1,196,283 | ​ |  | 690,684 | ​ |  | 471,736 | ​ | $ | 0.89 | ​ | $ | 0.88
​ | ​ | $ | 4,598,638 | ​ | $ | 2,723,880 | ​ | $ | 1,409,594 | ​ | ​ | ​ | ​ | ​ | ​
Quarter ended: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
March 31, 2019 | ​ | $ | 945,991 | ​ | $ | 573,532 | ​ | $ | 261,485 | ​ | $ | 0.48 | ​ | $ | 0.48
June 30, 2019 | ​ |  | 1,104,045 | ​ |  | 661,283 | ​ |  | 292,473 | ​ | $ | 0.54 | ​ | $ | 0.53
September 30, 2019 | ​ |  | 1,133,577 | ​ |  | 673,002 | ​ |  | 298,923 | ​ | $ | 0.55 | ​ | $ | 0.55
December 31, 2019 | ​ |  | 1,017,206 | ​ |  | 610,768 | ​ |  | 254,954 | ​ | $ | 0.47 | ​ | $ | 0.47
​ | ​ | $ | 4,200,819 | ​ | $ | 2,518,585 | ​ | $ | 1,107,835 | ​ | ​ | ​ | ​ | ​ | ​
​ Certain of the figures reported above may differ from previously reported figures for individual quarters due to rounding.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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