CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 1,704us-gaap_SalesRevenueGoodsNet	$ 1,576us-gaap_SalesRevenueGoodsNet
Net customer support and maintenance revenue	10us-gaap_SalesRevenueServicesNet	18us-gaap_SalesRevenueServicesNet
Total revenue	1,714us-gaap_SalesRevenueNet	1,594us-gaap_SalesRevenueNet
Cost of product revenue	629us-gaap_CostOfGoodsSold	573us-gaap_CostOfGoodsSold
Cost of customer support and maintenance revenue	3us-gaap_CostOfServices	3us-gaap_CostOfServices
Total cost of revenue	632us-gaap_CostOfGoodsAndServicesSold	576us-gaap_CostOfGoodsAndServicesSold
Gross profit	1,082us-gaap_GrossProfit	1,018us-gaap_GrossProfit
Operating expenses:
Sales and marketing	498us-gaap_SellingAndMarketingExpense	423us-gaap_SellingAndMarketingExpense
Research and development	538us-gaap_ResearchAndDevelopmentExpense	479us-gaap_ResearchAndDevelopmentExpense
General and administrative	331us-gaap_GeneralAndAdministrativeExpense	353us-gaap_GeneralAndAdministrativeExpense
Operating loss	(285)us-gaap_OperatingIncomeLoss	(237)us-gaap_OperatingIncomeLoss
Interest expense, net	(25)	(33)
Loss before income tax provision	(310)	(270)
Income tax provision	0us-gaap_IncomeTaxExpenseBenefit
Net loss	(310)us-gaap_NetIncomeLoss	(270)us-gaap_NetIncomeLoss
Preferred stock dividends accrued	(34)	(37)
Net loss attributable to common stockholders	$ (344)	$ (307)
Net loss per share attributable to common stockholders
Basic (in dollars per share)	$ (0.03)us-gaap_EarningsPerShareBasic	$ (0.02)us-gaap_EarningsPerShareBasic
Diluted (in dollars per share)	$ (0.03)us-gaap_EarningsPerShareDiluted	$ (0.02)us-gaap_EarningsPerShareDiluted
Weighted average common shares outstanding:
Basic (in shares)	12,555	12,291
Diluted (in shares)	12,555	12,291

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a),(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688