Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity [Abstract]

Stock Compensation Plans Information Summary

Information with respect to the Stock Compensation Plans at December 31, 2014 is as follows:

	1999 Option Plan	2009 Stock Compensation Plan	2011 Stock Compensation Plan	Individual Plans
Shares authorized for issuance	4,000	7,000	150,000	-
Option vesting period	Quarterly over 3 years	Quarterly over 3 years	Immediate/Quarterly over 3 years	Quarterly over 3 years
Date adopted by shareholders	June 2009	-	November 2011	-
Option term	7 Years	7 Years	7 Years	7 Years
Options outstanding	25	425	71,437	125
Options exercisable	25	425	56,483	125
Weighted average exercise price	$0.200	$0.105	$0.046	$0.15

Key assumptions for fair value calculation, stock options

The fair value calculations are based on the following assumptions:

	Year Ended December 31, 2014	Year Ended December 31, 2013
Risk free interest rate	0.04% - 3.73%	0.40% - 4.92%
Expected life (years)	3.26 - 7.00	2.82 - 7.00
Expected volatility	91.99% - 198.38%	91.99% - 198.38%
Expected dividends	None	None
Estimated average forfeiture rate	10%	10%

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

There were no stock options exercised during the years ended December 31, 2014 and 2013.

	Year Ended December 31, 2014	Year Ended December 31, 2013
Research and development	$ 77	$ 262
Sales and marketing	72	100
General and administrative	134	410
Director options	15	47
Stock-based compensation expense included in operating expenses	$ 298	$ 819

Summary of option activity

The summary activity for the Company's 2009 and 2011 Stock Compensation Plans, the 1999 Option Plan and Individual Plans is as follows:

	December 31, 2014				December 31, 2013
	Shares	Weighted Average Exercise Price	Aggregate Intrinsic Value	Weighted Average Remaining Contractual Life	Shares	Weighted Average Exercise Price	Aggregate Intrinsic Value	Weighted Average Remaining Contractual Life
Outstanding at beginning of period	69,537	$0.05			44,529	$0.05
Granted	4,500	$0.02	$ 27		26,553	$0.04	-
Forfeited/ Cancelled	(2,025)	$0.11			(1,545)	$0.11
Outstanding at period end	72,012	$0.04	-	4.18	69,537	$0.05	-	5.02
Options vested and exercisable at period end	57,058	$0.05	$ 7	3.86	43,379	$0.05	-	4.61
Weighted average grant-date fair value of options granted during the period	$0.04				$0.04

Summary of the significant ranges of outstanding and exercisable options

The following table summarizes significant ranges of outstanding and exercisable options as of December 31, 2014:

Range of Exercise Prices	Options Outstanding			Options Exercisable
	Options Outstanding	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price	Number Outstanding	Weighted Average Exercise Price
$0.00 - $0.50	72,012	4.18	$0.04	57,058	$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 December 31, 2014 is as follows:

Non-vested Shares	Shares	Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2013	26,158	$0.04
Granted	4,500	$0.04
Forfeited	(598)	$0.03
Vested	(15,106)	$0.04
Non-vested at December 31, 2014	14,954	$0.05

Information with respect to the classes of Preferred Stock

Information with respect to the classes of Preferred Stock at December 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	875	6,252
Series B	August 2010	10%	Quarterly in Arrears	$ 1.50	$ 0.0433	12,251	282,750
Series C	December/March 2011	10%	Quarterly in Arrears	$ 1.50	$ 0.0225	4,975	221,104
Series D-1	November 2012/May and December 2013	10%	Quarterly in Arrears	$ 1.00	$ 0.0225	5,800	257,773
Series D-2	November 2012/May and December 2013	10%	Quarterly in Arrears	$ 1.00	$ 0.0500	5,720	114,400
Total							882,279

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 years ended December 31, 2014 and 2013 is as follows:

	December 31,		December 31,
	2014	2013	2014	2013
	Dividends		Beneficial Conversion Feature Related to dividends
Series A-1	$ 82	$ 78	$ -	$ -
Series B	1,149	1,044	-	-
Series C	468	433	152	191
Series D-1	472	131	195	59
Series D-2	541	402	-	-
Total	$ 2,712	$ 2,088	$ 347	$ 250

Summary of warrants excercises

Warrants:

Summary of Warrant exercises in 2014 and 2013:

	December 31,2014			December 31, 2013
	Warrants	Common Shares Issued	Cash received	Warrants	Common Shares Issued	Cash received
	-	-	$ -	1,300	1,300	$ 29
	-	-	$ -	11,111	2,283	$ -
Total	-	-	$ -	12,411	3,583	$ 29

Summary of warrants issued to related party and other

Summary of warrants issued in 2014 and 2013:

	December 31, 2014			December 31, 2013
	Related Party	Other	Total	Related Party	Other	Total
Warrants issued in connection with Notes	-	-	-	19,584	2,083	21,667
Warrants issued with purchase of Series D Preferred	6,159	15,259	21,418	9,561	9,428	18,989
Warrants issued in the December Series D Preferred exchange				2,827	7,627	10,454
Warrants issued with line of credit	-	11,564	11,564	-	-	-
Contingent Warrants issued	34,062	86,723	120,785	-	-	-
Total	40,221	113,546	153,767	31,972	19,138	51,110

Summary of the warrants issued

A summary of the outstanding warrants is as follows:

	December 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	153,767	$ 0.0275	51,110	$ 0.0283
Exercised	-	$ -	(12,411)	$ 0.0225
Expired	(17,401)	$ 0.0225	(113,266)	$ 0.0230
Outstanding at end of period	213,521	$ 0.0284	77,155	$ 0.0289
Exercisable at end of period	213,521	$ 0.0284	77,155	$ 0.0289

Status of the warrants outstanding

A summary of the status of the warrants outstanding as of December 31, 2014 is as follows:

Number of Warrants Outstanding and Exercisable	Weighted Average Remaining Life	Weighted Average Exercise Price per share
8,643	1.95	$ 0.0275
204,878	0.52	$ 0.0500
213,521	1.89	$ 0.0284