Investments (Tables)

6 Months Ended

Jun. 30, 2014

Investments [Abstract]

Schedule Of Available-For-Sale Securities Investments Results

The investment results for June 30, 2014 and December 31, 2013 are as follows for available-for-sale equity securities carried at fair value:

	Amortized Cost		Gross Unrealized Holding				Fair Value
June 30, 2014			Gains		Losses
Available-for-sale equity securities
Cement industry	$	2,940,000	$	13,260,000	$	—	$	16,200,000
General building materials industry	3,600,000		3,445,000		—		7,045,000
Oil and gas refining and marketing industry	340,000		4,570,000		—		4,910,000
Residential construction industry	1,020,000		65,000		—		1,085,000
Total available-for-sale equity securities	$	7,900,000	$	21,340,000	$	—	$	29,240,000
Less: Deferred taxes on unrealized holding gains			8,536,000
Unrealized gains recorded in equity, net of deferred tax			$	12,804,000

	Amortized Cost		Gross Unrealized Holding				Fair Value
December 31, 2013			Gains		Losses
Available-for-sale equity securities
Cement industry	$	2,940,000	$	9,730,000	$	—	$	12,670,000
General building materials industry	3,600,000		2,970,000		—		6,570,000
Oil and gas refining and marketing industry	340,000		4,090,000		—		4,430,000
Residential construction industry	1,020,000		70,000		—		1,090,000
Total available-for-sale equity securities	$	7,900,000	$	16,860,000	$	—	$	24,760,000
Less: Deferred taxes on unrealized holding gains			6,744,000
Unrealized gains recorded in equity, net of deferred tax			$	10,116,000

Investment-related cash flow information

Investment-related cash flow information for available-for-sale equity securities carried at fair value for June 30, 2014 and December 31, 2013 is as follows: 

	2014		2013
Proceeds from sale of equity securities	$	—	$	5,373,412
Realized gain on equity securities	—		3,891,296
Payment for purchases of equity securities	36,630		1,116,664

Schedule for Change in Accounting Principle

The following financial statement line items for June 30, 2014 were affected by the change in accounting principle from cost method to equity method of accounting for the investment in GFI:

	For the Three Months Ended					For the Six Months Ended
June 30, 2013	As Adjusted			As Previously Reported		As Adjusted			As Previously Reported
Equity in affiliate losses, net of tax	$	(10,031	)	$	—	$	(12,253	)	$	—
Net income (loss)	1,863,098			1,878,751		(78,343		)	(60,468		)
Net income (loss) per share	0.46			0.47		(0.02		)	(0.02		)

Pertinent information about the Company's investment in GFI for the periods indicated below:

	June 30, 2014			December 31, 2013
Carrying value	$	3,906,647		$	3,428,633
Ownership percentage	22.45		%	19.34		%
Undistributed earnings	$	843,358		$	837,519
Difference between carrying amount and the underlying equity in net assets*	102,724			172,654