Stockholders Equity (Tables)

12 Months Ended

Dec. 31, 2016

Stockholders' Equity Note [Abstract]

Schedule of stock options activity

The following table summarizes activities under the option plans for the indicated periods:

	Options Outstanding
	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Balances, December 31, 2014		367,000		$	12.00		8.3		1,109.0
Options cancelled and retired		—			—
Options exercised		(3,000	)		8.86
Options granted		—			—
Balances, December 31, 2015		364,000			12.05		7.4		420.0
Options cancelled and retired		(170,250	)		12.67
Options exercised		(18,750	)		8.30
Options granted		15,000			9.61
Balances, December 31, 2016		190,000			11.25		6.9		169.4
Options vested and exercisable and expected to be vested and exercisable at December 31, 2016		190,000		$	11.25		6.9		169.4
Options vested and exercisable at December 31, 2016		43,750		$	11.39		6.7		39.4

Schedule of stock option plans by exercise price range

The following table summarizes significant ranges of outstanding and exercisable options as of December 31, 2016:

Exercise Prices		Number Outstanding		Weighted Average Remaining Contractual Life (in Years)		Weighted Average Exercise Price Per Share		Number Exercisable		Weighted Average Exercise Price Per  Share
	8.30		75,000		5.4		8.30		18,750		8.30
	13.70		100,000		7.6		13.70		25,000		13.70
	9.61		15,000		9.5		9.61		—		—
	Total		190,000		6.9		11.25		43,750	$	11.39

Schedule of change in non-controlling interest

Changes in the carrying amount of the non-controlling interest in the consolidated balance sheet for the year ended December 31, 2016, is as follows (in thousands):

Balance at December 31, 2015	$	4,299
Add: Income attributable to non-controlling interests		3,153
Less: Cash distribution to non-controlling interests		(3,696	)
Balance at December 31, 2016	$	3,756