Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 34,966	$ 7,435
Trade accounts receivable less allowances of $236 and $307, respectively	7,568	2,656
Inventories, net	7,985	6,869
Prepaid and other current assets	707	899
Current assets of discontinued operations	0	1,070
Total current assets	51,226	18,929
Property and equipment, net	812	456
Other assets	68	38
Non-current assets of discontinued operations	0	73
Total assets	52,106	19,496
Current liabilities:
Accounts payable	5,203	7,120
Accrued liabilities	1,262	553
Accrued federal and state income taxes	272	0
Accrued sales and bonus incentives	1,111	328
Accrued warranty reserve	389	81
Deferred revenue	104	133
Credit line borrowings	2	453
Current liabilities of discontinued operations	0	939
Total current liabilities	8,343	9,607
Other liabilities	85	46
Long-term debt	70	70
Total liabilities	8,498	9,723
STOCKHOLDERS' EQUITY
Preferred stock, par value $0.0001 per share: Authorized: 2,000,000 shares in 2015 and 2014, Issued and outstanding: no shares in 2015 and 2014	0	0
Common stock, par value $0.0001 per share: Authorized: 30,000,000 shares in 2015 and 15,000,000 in 2014. Issued and outstanding: 11,626,810 at September 30, 2015 and 9,423,975 at December 31, 2014	1	1
Additional paid-in capital	124,941	98,133
Accumulated other comprehensive income	0	469
Accumulated deficit	(81,334)	(88,830)
Total stockholders' equity	43,608	9,773
Total liabilities and stockholders' equity	$ 52,106	$ 19,496

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).

Name:	us-gaap_AccountsPayableCurrent
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.