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REVENUE - Revenue by customer type and geographic area (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Product revenue:
Product revenue	$ 35,594,520	$ 31,084,953
United States | Total product sales
Product revenue:
Product revenue	150,611	66,773
Germany | Total product sales
Product revenue:
Product revenue	13,049,729	12,964,806
All other countries | Total product sales
Product revenue:
Product revenue	22,394,180	18,053,374
Direct
Product revenue:
Product revenue	20,780,463	18,987,621
Direct | United States | Total product sales
Product revenue:
Product revenue	114,611	66,773
Direct | Germany | Total product sales
Product revenue:
Product revenue	13,049,729	12,964,806
Direct | All other countries | Total product sales
Product revenue:
Product revenue	7,616,123	5,956,042
Distributors/Strategic Partners
Product revenue:
Product revenue	14,814,057	12,097,332
Distributors/Strategic Partners | United States | Total product sales
Product revenue:
Product revenue	36,000	0
Distributors/Strategic Partners | Germany | Total product sales
Product revenue:
Product revenue	0	0
Distributors/Strategic Partners | All other countries | Total product sales
Product revenue:
Product revenue	$ 14,778,057	$ 12,097,332

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