10. Stock Options (Details - Option Activity) - $ / shares	12 Months Ended		202 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, options outstanding, beginning balance	$ 2.70	$ 2.70
Weighted average exercise price, options outstanding, ending balance	2.70	2.70	$ 2.70
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, options outstanding, beginning balance	30.55	30.55
Weighted average exercise price, options outstanding, ending balance	$ 18.22	$ 30.55	$ 18.22
Options [Member]
Common Stock, Capital Shares Reserved for Future Issuance [Roll Forward]
Balances	385,369	385,369
Balances	385,369	385,369	385,369
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning balance	146,305	385,369
Options granted	19,975	6,000
Options Exercised			(114,631)
Options forfeited or expired	(13,116)	(7,400)
Options outstanding, ending balance	153,164	146,305	153,164
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, options outstanding, beginning balance	$ 13.24	$ 13.24
Weighted average exercise price, options granted	4.50	6.34
Weighted average exercise price, options forfeited or expired	10.38	30.27
Weighted average exercise price, options outstanding, ending balance	10.84	13.24	$ 10.84
Options [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, options granted	6.34	6.34
Weighted average exercise price, options forfeited or expired	29.50	29.50
Options [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, options granted	6.34	6.34
Weighted average exercise price, options forfeited or expired	$ 30.55	$ 30.55