Repurchase of Common Stock - Effects on Stockholders' Equity (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Notes to Financial Statements
Cost of common stock repurchased	$ 2,296	$ 216
Share repurchase allocated to paid in capital	188	15
Share repurchase allocated to retained earnings	$ 2,108	$ 201
Stock repurchase authority remaining	188,242	188,625
Repurchase of common stock previoudly authorized	500,000	500,000
Number of shares repurchased	383	30