1. Summary of Significant Accounting Policies (Details) (USD $) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income (Numerator)
Net income (loss)	$ (3,315,000)	$ (562,000)	$ 412,000	$ 403,000	$ (2,981,000)	$ (1,177,000)	$ 581,000	$ 193,000	$ (3,062,209)	$ (3,384,927)	$ (870,840)
Shares (Denominator)
Weighted average number of common shares outstanding, basic									21,249,607	20,783,032	20,781,886
Effect of dilutive securities: options									511,260	222,624	32,845
Effect of dilutive securities: convertible notes									4,333,425	4,698,630	393,442
Weighted average number of common shares outstanding, diluted									26,094,292	25,704,286	21,208,173
Per Share Amount
Earnings per share - basic	$ (.15)	$ (.03)	$ 0.02	$ 0.02	$ (0.14)	$ (0.06)	$ 0.03	$ 0.01	$ (0.14)	$ (0.16)	$ (0.04)
Diluted earnings per share									$ (.14)	$ (.16)	$ (.04)