Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 89,012	$ 90,403
Restricted cash	53	53
Accounts receivable, trade, net of allowance for doubtful accounts of $80 and $85 at March 31, 2021 and December 31, 2020, respectively	10,669	8,006
Inventories	11,666	11,602
Prepaid expenses and other current assets	5,143	4,648
Total current assets	116,543	114,712
Assets held for rent, net	6,503	4,705
Property and equipment, net	11,231	10,120
Operating lease right-of-use assets, net	10,524	9,675
Financing lease right-of-use assets, net	430	17
Long-term deposits and other assets	356	230
Investments	5,872	5,872
Intangible assets, net	30,116	31,049
Goodwill	58,449	58,449
Total assets	240,024	234,829
Current liabilities
Accounts payable	4,276	3,672
Accrued expenses and other current liabilities	8,146	5,369
Lease liabilities, operating, current portion	1,455	1,107
Lease liabilities, financing, current portion	114	8
Warrant liability, current portion	0	2,780
Contingent consideration, current portion	2,390	2,637
Total current liabilities	16,381	15,573
Contingent consideration, long-term	4,271	4,515
Lease liabilities, operating, long-term	9,299	8,757
Lease liabilities, financing, long-term	316	12
Other long-term liabilities	980	726
Total liabilities	31,247	29,583
Commitments and Contingencies (Note 12)
Shareholders’ equity
Preferred stock, $0.001 par value; 1,000,000 shares authorized, Series A, 4,250 shares designated, and 0 shares issued and outstanding at March 31, 2021and December 31, 2020, respectively	0	0
Common stock, $0.001 par value; 150,000,000 shares authorized, 33,634,194 and 33,039,146 shares issued and outstanding at March 31, 2021and December 31, 2020, respectively	34	33
Additional paid-in capital	307,246	302,598
Accumulated deficit	(98,503)	(97,385)
Total shareholders’ equity	208,777	205,246
Total liabilities and shareholders’ equity	$ 240,024	$ 234,829