Earnings Per Share (Details) (USD $)	3 Months Ended	12 Months Ended
Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Notes to Financial Statements
Earnings per share - diluted	$ (0.01)us-gaap_EarningsPerShareDiluted	$ 0.01us-gaap_EarningsPerShareDiluted	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.13us-gaap_EarningsPerShareDiluted	$ (0.07)us-gaap_EarningsPerShareDiluted	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.00us-gaap_EarningsPerShareDiluted	$ 0.16us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.36us-gaap_EarningsPerShareDiluted
Earnings per share - basic	$ (0.01)us-gaap_EarningsPerShareBasic	$ 0.01us-gaap_EarningsPerShareBasic	$ 0.05us-gaap_EarningsPerShareBasic	$ 0.11us-gaap_EarningsPerShareBasic	$ 0.13us-gaap_EarningsPerShareBasic	$ (0.07)us-gaap_EarningsPerShareBasic	$ 0.05us-gaap_EarningsPerShareBasic	$ 0.00us-gaap_EarningsPerShareBasic	$ 0.16us-gaap_EarningsPerShareBasic	$ 0.11us-gaap_EarningsPerShareBasic	$ 0.37us-gaap_EarningsPerShareBasic
Net income	$ (48,202)us-gaap_NetIncomeLoss	$ 32,774us-gaap_NetIncomeLoss	$ 270,006us-gaap_NetIncomeLoss	$ 591,783us-gaap_NetIncomeLoss	$ 713,491us-gaap_NetIncomeLoss	$ (368,366)us-gaap_NetIncomeLoss	$ 250,207us-gaap_NetIncomeLoss	$ 8,336us-gaap_NetIncomeLoss	$ 846,361us-gaap_NetIncomeLoss	$ 603,668us-gaap_NetIncomeLoss	$ 1,953,728us-gaap_NetIncomeLoss
Effect of diluted securities									5,405	3,065	13,637
Weighted average shares outstanding - diluted									5,346,552	5,344,212	5,352,978
Weighted average shares outstanding - basic									5,341,147	5,341,147	5,339,341

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