Unaudited Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue	$ 31,204,000	$ 9,920,000	$ 48,051,000	$ 22,082,000
Costs and operating expenses:
Research and development	3,045,000	1,477,000	5,032,000	3,140,000
Sales and marketing	3,142,000	1,366,000	5,164,000	2,942,000
General and administrative	7,146,000	3,278,000	11,974,000	6,413,000
Intangible asset amortization	1,882,000	706,000	2,815,000	1,394,000
Acquisition costs	272,000	13,000	1,271,000	238,000
Change in fair value of contingent consideration	1,718,000	(1,463,000)	1,226,000	(1,526,000)
Total operating expenses	35,759,000	9,876,000	53,586,000	21,668,000
Operating (loss) income	(4,555,000)	44,000	(5,535,000)	414,000
Other income (expense)
Change in fair value of warrant liability	0	(16,442,000)	(121,000)	5,472,000
Interest (expense) income, net	(121,000)	18,000	(137,000)	46,000
Other expense	0	0	(1,000)	(4,000)
Total other (expense) income	121,000	16,424,000	259,000	(5,514,000)
(Loss) income before income tax benefit	(4,676,000)	(16,380,000)	(5,794,000)	5,928,000
Income tax benefit	12,552,000	0	12,552,000	0
Net income (loss)	7,876,000	(16,380,000)	6,758,000	5,928,000
Net income (loss) attributable to shareholders
Basic	7,661,000	(16,380,000)	6,543,000	5,093,000
Diluted	$ 7,668,000	$ (16,380,000)	$ 6,551,000	$ 350,000
Earnings (loss) attributable to common shareholders
Basic (in dollars per share)	$ 0.20	$ (0.70)	$ 0.18	$ 0.23
Diluted (in dollars per share)	$ 0.19	$ (0.70)	$ 0.17	$ 0.01
Weighted average shares used to compute earnings (loss) per share attributable to common shareholders:
Basic (in shares)	38,072,712	23,292,635	35,668,124	22,151,726
Diluted (in shares)	40,390,098	23,292,635	38,275,603	27,013,580
Product [Member]
Revenue	$ 27,468,000	$ 9,489,000	$ 41,244,000	$ 21,216,000
Costs and operating expenses:
Cost of goods and services	15,986,000	4,154,000	21,609,000	8,536,000
Service Revenue [Member]
Revenue	1,963,000	0	4,167,000	0
Costs and operating expenses:
Cost of goods and services	1,427,000	0	2,779,000	0
Rental Revenue [Member]
Revenue	1,773,000	431,000	2,640,000	866,000
Costs and operating expenses:
Cost of goods and services	$ 1,141,000	$ 345,000	$ 1,716,000	$ 531,000