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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details) | 3 Months Ended | 6 Months Ended |
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Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) item | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Revenue recognition |  |  |  |  |
Estimated contractual allowance | $ 4,600,000 |  | $ 4,600,000 |  | $ 6,200,000
Period for return of incorrect shipments |  |  | 10 days |  |
Number of times overstocking returns are limited | item |  |  | 2 |  |
Period for return of product due to overstock |  |  | 12 months |  |
Maximum percentage of distributor's total purchase for the prior 12-month period |  |  | 1.00% |  |
Sales, net | 14,336,569 | $ 42,496,944 | $ 59,078,919 | $ 92,570,669 |
License revenue payable to patent owner, as a percent |  |  | 50.00% |  |
Syringes |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 11,397,728 | 40,290,601 | $ 54,103,851 | 87,857,411 |
Blood Collection Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 561,502 | 482,108 | 1,850,565 | 1,093,466 |
Easy Point Needles |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 2,141,381 | 1,709,475 | 2,876,847 | 3,478,556 |
Other Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 235,958 | 14,760 | 247,656 | 141,236 |
U.S. sales |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 9,561,809 | 12,721,896 | 19,774,650 | 23,683,087 |
U.S. sales | Syringes |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 6,877,166 | 10,892,733 | 15,272,468 | 19,652,047 |
U.S. sales | Blood Collection Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 526,256 | 456,818 | 1,603,951 | 1,030,826 |
U.S. sales | Easy Point Needles |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 2,138,573 | 1,358,935 | 2,868,543 | 2,971,268 |
U.S. sales | Other Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 19,814 | 13,410 | 29,688 | 28,946 |
U.S. government |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net |  | 27,357,840 | 15,731,136 | 65,140,200 |
U.S. government | Syringes |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net |  | 27,357,840 | 15,731,136 | 65,140,200 |
North and South America (excluding U.S.) |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 4,313,128 | 1,512,388 | 15,390,256 | 2,459,616 |
North and South America (excluding U.S.) | Syringes |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 4,096,984 | 1,467,508 | 15,171,230 | 2,293,328 |
North and South America (excluding U.S.) | Easy Point Needles |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net |  | 44,880 | 2,608 | 56,848 |
North and South America (excluding U.S.) | Other Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 216,144 |  | 216,418 | 109,440 |
Other international sales |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 461,632 | 904,820 | 8,182,877 | 1,287,766 |
Other international sales | Syringes |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 423,578 | 572,520 | 7,929,017 | 771,836 |
Other international sales | Blood Collection Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | 35,246 | 25,290 | 246,614 | 62,640 |
Other international sales | Easy Point Needles |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net | $ 2,808 | 305,660 | 5,696 | 450,440 |
Other international sales | Other Products |  |  |  |  |
Revenue recognition |  |  |  |  |
Sales, net |  | $ 1,350 | $ 1,550 | $ 2,850 |

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