Stockholders' Equity (10K) (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2015

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 stockholders	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:

	Nine Months Ended September 30, 2015	Nine Months Ended September 30, 2014
Risk free interest rate	0.04% − 3.28%	0.04% − 3.73%
Expected life (years)	3.26 – 6.33	2.82 – 7.00
Expected volatility	120.74% – 198.38%	93.63% – 198.38%
Expected dividends	None	None

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

The following table summarizes the allocation of stock-based compensation expense related to stock option grants for the three- and nine-month periods ended September 30, 2015 and 2014.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Research and development	$	35	$	16	$	148	$	64
Sales and marketing		26		17		112		54
General and administrative		47		29		192		112
Director options		8		3		35		12
Stock-based compensation expense	$	116	$	65	$	487	$	242

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

A summary of option activity under the Company’s plans as of September 30, 2015 and 2014 is as follows:

	2015									2014
Options	Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value		Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at January 1,		72,012		$	0.04			$	—		69,537		$	0.05			$	—
Granted		36,633		$	0.02			$	—		2,500		$	0.03			$	—
Forfeited or expired		(2,150	)	$	0.03			$	—		(1,077	)	$	0.05			$	—
Outstanding at September 30		106,495		$	0.04		4.39	$	—		70,960		$	0.05		4.30	$	—
Vested and expected to vest at September 30		103,820		$	0.03		3.21	$	—		63,996		$	0.05		4.30	$	—
Exercisable at September 30		69,757		$	0.04		3.53	$	—		55,102		$	0.05		3.98	$	—

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 September 30, 2015:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (in years)		Weighted Average Exercise Price Per Share		Number Outstanding		Weighted Average Exercise Price Per Share
$ 0.01 – $0.02		3,000		6.23	$	0.02		584	$	0.02
$ 0.02 – $0.03		53,170		5.21	$	0.02		23,107	$	0.02
$ 0.03 – $0.06		31,416		4.06	$	0.05		27,157	$	0.05
$ 0.06 – $0.20		18,909		2.32	$	0.07		18,909	$	0.07
		106,495		4.39	$	0.04		69,757	$	0.04

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

	Options Outstanding						Options Exercisable
Range of Exercise Prices	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

The following table summarizes the Company’s non-vested option shares as of September 30, 2015:

Non-vested Option Shares	Shares			Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2015		14,954		$	0.04
Granted		36,633		$	0.02
Forfeited		(1,020	)	$	0.02
Vested		(13,829	)	$	0.03
Non-vested at September 30, 2015		36,738		$	0.02

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		$	0.04

Information with respect to the classes of Preferred Stock

Information with respect to the class of Preferred Stock at September 30, 2015 is as follows:

Class of Preferred Stock	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		8	%	Quarterly in Arrears	$	1.00	$	0.1400		929		6,633
Series B		10	%	Quarterly in Arrears	$	1.50	$	0.0433		13,191		304,430
Series C		10	%	Quarterly in Arrears	$	1.50	$	0.0225		5,356		238,056
Series D-1		10	%	Quarterly in Arrears	$	1.00	$	0.0225		7,878		350,127
Series D-2		10	%	Quarterly in Arrears	$	1.00	$	0.0500		6,223		124,470

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 in-kind dividends issued on the Company’s Preferred Stock for the three and nine-month periods ended September 30, 2015 and September 30, 2014 is as follows:

	Dividends								Beneficial Conversion Feature Related to Dividends
	Three Months Ended September 30,				Nine Months Ended September 30,				Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014		2015		2014		2015		2014
Series A-1	$	18	$	22	$	53	$	63	$	—	$	—	$	—	$	—
Series B		324		294		939		852		—		—		—		—
Series C		132		119		382		345		—		64		13		114
Series D-1		192		128		516		329		—		107		16		151
Series D-2		153		145		445		400		—		—		—		—
Total	$	819	$	708	$	2,335	$	1,989	$	—	$	171	$	29	$	265

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

A summary of the warrant activity is as follows:

	September 30, 2015					September 30, 2014
	Warrants			Weighted Average Exercise Price Per Share		Warrants			Weighted Average Exercise Price Per Share
Outstanding at beginning of period		213,521		$	0.0284		77,155		$	0.0289
Issued		40,560			0.0193		124,711			0.0275
Expired/Cancelled		(16,259	)		0.0500		(28,052	)		0.0225
Outstanding at end of period		237,822		$	0.0264		173,814		$	0.0286
Exercisable at end of period		237,822		$	0.0264		173,814		$	0.0286

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 warrant activity is as follows:

	September 30, 2015					September 30, 2014
	Warrants			Weighted Average Exercise Price Per Share		Warrants			Weighted Average Exercise Price Per Share
Outstanding at beginning of period		213,521		$	0.0284		77,155		$	0.0289
Issued		40,560			0.0193		124,711			0.0275
Expired/Cancelled		(16,259	)		0.0500		(28,052	)		0.0225
Outstanding at end of period		237,822		$	0.0264		173,814		$	0.0286
Exercisable at end of period		237,822		$	0.0264		173,814		$	0.0286

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 and exercisable as of September 30, 2015 is as follows:

Number of Warrants		Weighted Average Remaining Life (Years)		Weighted Average Exercise Price Per Share
Warrants	27,400		2.52	$	0.0225
Warrants	193,968		1.26	$	0.0275
Warrants	3,294		0.13	$	0.0500
Warrants	13,160		2.83	$	0.0125
	237,822		1.48	$	0.0264

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