CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 191,245	$ 89,030
Accounts receivable, net of allowance for doubtful accounts of $232 and $186, respectively	14,838	15,161
Inventories, net	29,056	26,601
Net investment in leases, current, net of allowance for doubtful accounts of $85 and $105, respectively	4,020	3,856
Prepaid expenses	2,711	2,219
Other current assets	3,790	3,000
Total current assets	245,660	139,867
Property and equipment, net	15,076	15,469
Operating lease right-of-use assets	5,404	5,726
Goodwill	36,095	36,204
Other intangible assets, net	11,061	11,472
Deferred tax asset, net	8,027	6,429
Net investment in leases, non-current	14,373	14,307
Investments in unconsolidated affiliates	7,295	7,424
Other non-current assets	7,990	7,526
Total assets	350,981	244,424
Current liabilities:
Accounts payable	7,137	6,600
Accrued liabilities	10,091	6,345
Accrued purchase consideration payable	0	14,579
Current operating lease liabilities	1,755	1,745
Current portion of deferred revenue, and other	2,923	2,930
Total current liabilities	21,906	32,199
Convertible note, long-term, net	46,872	45,348
Deferred revenue, net of current portion	5,521	5,966
Other long-term borrowings	1,110	1,121
Non-current operating lease liabilities	4,092	4,413
Deferred tax liability	678	691
Other liabilities	141	152
Total liabilities	80,320	89,890
Redeemable non-controlling interest and mezzanine equity	23	170
Stockholders' equity:
Preferred stock, $.01 par value, 2,500,000 and 2,500,000 shares authorized, respectively, 122,000 and 0 shares issued and outstanding, respectively	1	0
Common stock, $.01 par value, 10,250,000 and 10,250,000 shares authorized, respectively, none issued or outstanding	0	0
Public common stock, $.01 par value, 10,250,000 and 10,250,000 shares authorized, 7,843,079 and 7,881,928 shares issued and outstanding, respectively	78	79
Additional paid-in capital	412,152	290,216
Accumulated other comprehensive income	157	513
Accumulated deficit	(141,750)	(136,444)
Total stockholders' equity	270,638	154,364
Total liabilities, mezzanine equity and stockholders' equity	$ 350,981	$ 244,424