Repurchase of Common Stock - Effects on Stockholders' Equity (Details Narrative) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Notes to Financial Statements
Cost of common stock repurchase	$ 0	$ 89,582
Share repurchase allocated to paid in capital	0	4,331
Share repurchase allocated to retained earnings	$ 0	$ 85,251
Stock repurchase authority remiaining	188,655		188,655
Shares repurchased and retired during period - shares	0	8,812
Repurchase of common stock previously authorized			500,000