8. Stock Based Compensation - Option Activity (Details) - Stock Options [Member] - $ / shares	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Intrinsic Value Options [Member]
Options
Beginning balance	7,211,479	7,674,000
Granted	0	0
Exercised	0	0
Forfeited	(267,979)	(462,521)
Ending balance	6,943,500	7,211,479
Exercisable	4,551,660
Vested	6,483,390
Weighted Average Price
Beginning balance	$ 0.15	$ 0.14
Granted
Exercised
Forfeited
Ending balance	$ 0.14	$ 0.15
Exercisable	.13
Vested	.14
Intrinsic Value
Beginning balance	0.17	$ 0.16
Granted
Forfeited
Ending balance	0.68	$ 0.17
Exercisable	0.69
Vested	$ 0.68
Traditional Stock Options [Member]
Options
Beginning balance	0	0
Granted	337,750	0
Exercised	0	0
Forfeited	0	0
Ending balance	337,750	0
Exercisable	0
Vested	0
Weighted Average Price
Beginning balance
Granted
Exercised
Forfeited
Ending balance	$ 0.56
Exercisable
Vested
Intrinsic Value
Beginning balance	$ .026
Granted
Forfeited
Ending balance	$ 0.	$ .026
Exercisable
Vested

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Intrinisic value exercisable

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Intrinsic value vested

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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The combined weighted average of the accumulated differences between the fair values on underlying shares and exercises prices to acquire such shares as of the grant date on options that were either forfeited or lapsed.

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Net number of share options (or share units) granted during the period.

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The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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