Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 6,162	$ 4,435
Accounts receivable, net	1,769	1,599
Inventories	1,242	1,015
Prepaid expenses and other current assets	140	298
Total current assets	9,313	7,347
Property, plant and equipment, net	357	176
Intangibles, net	38	13
Other assets	58	26
Total assets	9,766	7,562
Current liabilities:
Accounts payable	330	484
Accrued liabilities	322	304
Accrued income taxes	329
Deferred revenue, current	88	71
Total current liabilities	1,069	859
Deferred revenue, long term		40
Total liabilities	1,069	899
Commitments and contingencies (See note 9)
Stockholders' equity:
Common stock, $0.001 par value: 30,000 shares authorized, 7,328 and 7,326 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	7	7
Additional paid-in-capital	60,341	60,251
Accumulated deficit	(51,651)	(53,595)
Total stockholders' equity	8,697	6,663
Total liabilities and stockholders' equity	$ 9,766	$ 7,562

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.