Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Shareholders' Equity [Abstract]

Changes in common stock outstanding and additional paid-in capital

Changes in common stock outstanding and additional paid-in capital are as follows:
													Additional
			Class A						Class B				Paid-in
	Shares			Amount			Shares			Amount			Capital
Balance at January 1, 2014		2,623,109			$	112		12,304,191			$	525		$	50,594
Restricted stock grants		-				-		52,198				2			1,260
Balance at December 31, 2014		2,623,109				112		12,356,389				527			51,854
Restricted stock grants		-				-		46,552				2			1,092
Balance at December 31, 2015		2,623,109				112		12,402,941				529			52,946
Restricted stock grants		-				-		57,959				3			1,340
Balance at December 31, 2016		2,623,109			$	112		12,460,900			$	532		$	54,286