Equity (Tables)

3 Months Ended

Mar. 31, 2015

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, 2015	Three Months Ended March 31, 2014
Risk free interest rate	0.04% - 3.73%	0.04% - 4.92%
Expected term (years)	3.26 - 7.00	3.33 - 6.21
Expected volatility	91.99% - 198.38%	91.99% - 198.38%
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:

	2015	2014
Research and development	$ 65	$ 27
Sales and marketing	52	12
General and administrative	80	48
Director	16	5
Total stock-based compensation	$ 213	$ 92

Summary of option activity

A summary of option activity under the Company's plans as of March 31, 2015 and 2014 is as follows:

Options	2015				2014
	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	72,012	$ 0.04			69,537	$ 0.05
Granted	35,633	$ 0.02			2,500	$ 0.03		$ 7
Exercised	-	$ -			-	$ -
Forfeited or expired	-	$ -			-	$ -
Outstanding at March 31	107,645	$ 0.04	4.87		72,037	$ 0.05	4.85	$ 7
Vested and expected to vest at March 31	104,018	$ 0.04	4.82	$ -	65,007	$ 0.05	4.41	$ 7
Exercisable at March 31	59,733	$ 0.05	3.67		48,445	$ 0.05	5.05	$ -

Summary of the significant ranges of outstanding and exercisable options

The following table summarizes significant ranges of outstanding and exercisable options as of March 31, 2015:

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
$ 0.02 - $0.50	107,645	4.87	$ 0.04	59,733	$ 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, 2015 is as follows:

Non-vested Shares	Shares	Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2015	14,954	$ 0.04
Granted	35,633	$ 0.02
Exercised	-	$ -
Forfeited	-	$ -
Vested	(2,675)	$ 0.04
Non-vested at March 31, 2015	47,912	$ 0.03

Information with respect to the classes of Preferred Stock

Information with respect to the classes of Preferred Stock as of March 31, 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	892	6,375
Series B	10%	Quarterly in Arrears	$ 1.50	$ 0.0433	12,554	289,722
Series C		Quarterly in Arrears	$ 1.50	$ 0.0225	5,097	226,555
Series D-1	10%	Quarterly in Arrears	$ 1.00	$ 0.0225	7,178	319,033
Series D-2	10%	Quarterly in Arrears	$ 1.00	$ 0.0500	5,921	118,428

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,
	2015	2014	2015	2014
	Dividends		Beneficial Conversion Feature Related to dividends
	$ 17	$ 20	$ -	$ -
Series B	302	274	-	-
Series C	123	111	13	37
Series D-1	145	93	16	31
Series D-2	143	123	-	-
Total	$ 730	$ 621	$ 29	$ 68

Summary of the warrants issued

A summary of the warrant activity is as follows:

	March 31, 2015		December 31, 2014
	Warrants	Weighted Average Exercise Price	Warrants	Weighted Average Exercise Price
Outstanding at beginning of period	213,521	$ 0.0289	77,155	$ 0.0289
Issued	27,400	$ 0.0225	21,418	$ 0.0225
Expired/Canceled	(10,909)	$ -	(4,333)	$ 0.0225
Outstanding at end of period	230,012	$ 0.0277	94,240	$ 0.0289
Exercisable at end of period	230,012	$ 0.0277	94,240	$ 0.0289

Status of the warrants outstanding

A summary of the status of the warrants outstanding and exercisable as of March 31, 2015 is as follows:

Number of Warrants	Weighted Average Remaining Life	Weighted Average Exercise Price per share
27,400	3.00	$ 0.0225
193,968	1.77	$ 0.0275
8,644	0.28	$ 0.0500
230,012	1.87	$ 0.0277