CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 80,505	$ 13,389
Accounts receivable, net of allowance for doubtful accounts of $170 and $245, respectively	13,715	16,454
Inventories, net	26,215	25,104
Net investment in leases, current, net of allowance for doubtful accounts of $89 and $40, respectively	3,593	2,989
Prepaid expenses	3,028	1,533
Other current assets	2,695	2,938
Total current assets	129,751	62,407
Property and equipment, net	14,623	15,981
Operating lease right-of-use assets	5,870
Goodwill	27,216	26,679
Other intangible assets, net	9,206	9,764
Deferred tax asset, net	6,634	14,121
Net investment in leases, non-current	13,515	11,908
Investments in unconsolidated affiliates	7,563	8,018
Other non-current assets	9,633	7,574
Total assets	224,011	156,452
Current liabilities:
Accounts payable	5,524	7,469
Due to related parties	0	226
Accrued liabilities	5,302	10,142
Current operating lease liabilities	1,714
Current portion of deferred revenue, and other	2,687	2,526
Total current liabilities	15,227	20,363
Convertible note, long-term, net	43,823	0
Deferred revenue, net of current portion	6,183	7,082
Line of credit	0	6,000
Non-current operating lease liabilities	4,578
Other liabilities	217	598
Total liabilities	70,028	34,043
Commitments and contingencies
Redeemable non-controlling interest and mezzanine equity	300	0
Stockholders' equity:
Preferred stock, $.01 par value, 2,500,000 and 2,500,000 shares authorized, respectively, none issued or outstanding	0	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, 7,823,802 and 7,675,692 shares issued and outstanding, respectively	78	77
Additional paid-in capital	288,181	257,034
Accumulated other comprehensive income	140	277
Accumulated deficit	(134,716)	(134,979)
Total stockholders' equity	153,683	122,409
Total liabilities, mezzanine equity and stockholders' equity	$ 224,011	$ 156,452