CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash	$ 2,799	$ 9,054
Accounts receivable, net	8,337	1,369
Inventories, net	14,753	2,722
Prepaid expenses and other current assets	626	111
Total current assets	26,515	13,256
Property and equipment, net	3,237	771
Intangible assets, net	6,894	5,872
Total assets	36,646	19,899
Current liabilities
Accounts payable	10,918	1,606
Accrued expenses	3,150	2,082
Convertible notes payable	2,000	0
Due to related parties	998	96
Customer deposits and deferred revenue	634	186
Obligation under capital lease	18	58
Derivative liabilities	1,271	1,183
Total current liabilities	18,989	5,211
Obligation under capital lease, net of current portion	30	49
Convertible notes payable	0	2,000
Total liabilities	19,019	7,260
Commitments and contingencies
Stockholders’ equity
Preferred stock - $0.00001 par value per share:10,000,000 shares authorized at December 31, 2017 and 2016; 0 shares issued and outstanding as of December 31, 2017 and 2016	0	0
Common stock, - $0.00001 par value per share, 100,000,000 shares authorized, 14,897,392 and 7,606,518 shares issued, and 14,897,390 and 7,606,516 outstanding, as of December 31, 2017 and 2016, respectively	0	0
Additional paid in capital	237,140	221,960
Accumulated other comprehensive income	354	0
Treasury stock, at cost - 2 shares as of December 31, 2017 and 2016, respectively	(22)	(22)
Accumulated deficit	(219,845)	(209,299)
Total Stockholders’ equity	17,627	12,639
Total liabilities and stockholders’ equity	$ 36,646	$ 19,899

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.