Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash	$ 4,581	$ 2,194
Accounts receivable, net	1,452	836
Investment in lease, net-current portion		20
Inventory, net	1,864	674
Prepaid expenses and other current assets	276	85
Total current assets	8,173	3,809
Property and equipment, net	91	52
Investment in lease, net-less current portion		39
Intangible assets	590
Goodwill	748
License and supply agreement, net	938	1,072
Other asset	18	11
Total assets	10,558	4,983
Current liabilities:
Secured revolving credit facility	991	711
Current portion of secured note payable	195
Accounts payable	836	872
Accrued expenses	396	218
Current portion of contingent consideration	236
Deferred revenue, current portion		70
Total current liabilities	2,654	1,871
Secured note payable, net of current portion	843
Contingent consideration, net of current portion	263
Unsecured long-term note payable, net of debt issuance costs and debt discount of $0 and $233, respectively		954
Long-term portion of deferred revenue		208
Total liabilities	3,760	3,033
Commitments and Contingencies (Note 19)
Stockholders' equity:
Preferred stock, $.001 par value; 5,000,000 shares authorized at December 31, 2018 and 2017; no shares issued and outstanding at December 31, 2018 and 2017.
Common stock, $.001 par value; 90,000,000 shares authorized at December 31, 2018 and 2017; 64,616,031 and 55,293,267 shares issued and outstanding at December 31, 2018 and 2017, respectively.	64	55
Additional paid-in capital	127,816	122,924
Accumulated other comprehensive income	71	77
Accumulated deficit	(124,153)	(121,106)
Subtotal	3,798	1,950
Noncontrolling interest	3,000
Total stockholders' equity	6,798	1,950
Total liabilities and stockholders' equity	$ 10,558	$ 4,983