Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Sales revenue	$ 18,226,000	$ 15,183,000	$ 36,551,000	$ 26,287,000
Lease revenue	192,000	12,000	381,000	12,000
Total revenues	18,418,000	15,195,000	36,932,000	26,299,000
Cost of sales	(3,469,000)	(2,111,000)	(6,303,000)	(3,624,000)
Gross profit	14,949,000	13,084,000	30,629,000	22,675,000
Operating expenses:
Sales and marketing	(14,314,000)	(16,302,000)	(29,147,000)	(28,942,000)
General and administrative	(6,666,000)	(7,519,000)	(13,057,000)	(16,481,000)
Research and development	(5,117,000)	(4,887,000)	(11,400,000)	(10,081,000)
Total operating expenses	(26,097,000)	(28,708,000)	(53,604,000)	(55,504,000)
Operating loss	(11,148,000)	(15,624,000)	(22,975,000)	(32,829,000)
Interest expense	(1,252,000)	(1,347,000)	(2,485,000)	(2,703,000)
Other income, net	2,484,000	1,611,000	1,693,000	1,544,000
Loss before income taxes	(9,916,000)	(15,360,000)	(23,767,000)	(33,988,000)
Income tax expense	(4,000)	(33,000)	(12,000)	(63,000)
Net loss	$ (9,920,000)	$ (15,393,000)	$ (23,779,000)	$ (34,051,000)
Net loss per common share:
Basic	$ (0.38)	$ (0.6)	$ (0.9)	$ (1.32)
Diluted	$ (0.38)	$ (0.6)	$ (0.9)	$ (1.32)
Weighted-average common shares:
Basic	26,367,548	25,760,278	26,400,366	25,699,030
Diluted	26,367,548	25,760,278	26,400,366	25,699,030