Equity (Tables)

3 Months Ended

Mar. 31, 2014

Stockholders' Equity [Abstract]

Key assumptions for fair value calculation, stock options

The fair value calculations are based on the following assumptions:

	Three Months Ended March 31, 2014	Three Months Ended March 31, 2013
Risk free interest rate	0.04% - 4.92%	0.62% - 5.11%
Expected term (years)	3.33 - 6.21	2.82 - 7.00
Expected volatility	91.99% - 198.38%	93.63% - 147.41%
Expected dividends	None	None

Allocation of stock-based compensation expense related to stock option grants

The following table summarizes the allocation of stock-based compensation expense related to stock option grants for the three months ended March 31:

	2014	2013
Research and development	$ 27	$ 68
Sales and marketing	12	25
General and administrative	48	146
Director	5	15
Total Stock-based compensation	$ 92	$ 254

Summary of option activity

A summary of option activity under the Company's plans as of March 31, 2014 and 2013 is as follows:

Options	2014				2013
	Shares	Weighted Average Exercise Price	Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value	Shares	Weighted Average Exercise Price	Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1,	69,537	$ 0.05		$ -	44,529	$ 0.05		$ 2,230
Granted	2,500	$ 0.03		$ 7	26,241	$ 0.04		$ 1,179
Exercised	-	$ -		$ -	-	$ -		$ -
Forfeited or expired	-	$ -		$ -	(500)	$ 0.09		$ 43
Outstanding at March 31	72,037	$ 0.05	4.85	$ 7	70,270	$ 0.05	5.75	$ 3,367
Vested and expected to vest at March 31	65,007	$ 0.05	4.41	$ 7	70,270	$ 0.05	5.05	$ 3,367
Exercisable at March 31	48,445	$ 0.05	5.05	$ -	27,036	$ 0.05	5.05	$ 1,043

Summary of the significant ranges of outstanding and exercisable options

The following tables summarize significant ranges of outstanding and exercisable options as of March 31, 2014:

Range of Exercise Prices	Options Outstanding			Options Exercisable
	Number Outstanding	Weighted Average Remaining Contractual Term (in years)	Weighted Average Exercise Price	Number Outstanding	Weighted Average Exercise Price
$ 0.07 - $0.50	72,037	4.85	$ 0.05	48,445	$ 0.05

Summary of the status of the Company's non-vested shares

A summary of the status of the Company's non-vested shares as of March 31, 2014, is as follows:

Non-vested Shares	Shares	Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2014	26,158	$ 0.04
Granted	2,500	$ 0.03
Exercised	-	$ -
Forfeited	-	$ -
Vested	(5,066)	$ 0.04
Non-vested at March 31, 2014	23,592	$ 0.04

Information with respect to the classes of Preferred Stock

Information with respect to the class of Preferred Stock as of March 31, 2014 is as follows:

Class of Preferred Stock	Issue Date	Annual Dividend	Annual Dividend Payable, in Cash or In Kind	Liquidation Preference	Conversion Price	Total Preferred Shares Outstanding	Common Shares to be issued if Fully Converted
Series A-1	May 2008	8%	Quarterly in Arrears	$ 1.00	$ 0.1400	1,052	7,514
Series B	August 2010	10%	Quarterly in Arrears	$ 1.50	$ 0.0433	11,377	262,559
Series C	December/March 2011	10%	Quarterly in Arrears	$ 1.50	$ 0.0225	4,619	205,294
Series D-1	November 2012/May and December 2013/February and March 2014	10%	Quarterly in Arrears	$ 1.00	$ 0.0225	4,302	191,189
Series D-2	November 2012/May and December 2013/February and March 2014	10%	Quarterly in Arrears	$ 1.00	$ 0.0500	5,303	106,068

Information with respect to dividends issued on the Company's preferred stock

Information with respect to dividends issued on the Company's Preferred stock for the period ended March 31, is as follows:

	March 31,		March 31,
	2014	2013	2014	2013
	Dividends		Beneficial Conversion Feature Related to dividends
Series A-1	$ 20	$ 19	$ -	$ -
Series B	274	248	-	-
Series C	111	103	37	43
Series D-1	93	28	31	12
Series D-2	123	81	-	-
Total	$ 621	$ 478	$ 68	$ 55

Summary of the warrants issued

A summary of the warrant activity is as follows:

	March 31, 2014		December 31, 2013
	Warrants	Weighted Average Exercise Price	Warrants	Weighted Average Exercise Price
Outstanding at beginning of period	77,155	$ 0.0289	151,722	$ 0.0269
Issued	21,418	$ 0.0275	-	$ -
Exercised	-	$ -	(1,300)	$ 0.0280
Expired	(4,333)	$ 0.0225	(1,400)	$ 0.0225
Outstanding at end of period	94,240	$ 0.0289	149,022	$ 0.0257
Exercisable at end of period	94,240	$ 0.0289	149,022	$ 0.0257

Status of the warrants outstanding

A summary of the status of the warrants outstanding and exercisable as of March 31, 2014, is as follows:

Number of Warrants	Weighted Average Remaining Life	Weighted Average Exercise Price per share
13,069	0.71	$ 0.0225
72,528	2.77	$ 0.0275
8,643	1.31	$ 0.0500
94,240	2.35	$ 0.0289