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Net Income per Common Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income	$ (3,845,000)	$ 518,000
Weighted average common shares outstanding — basic	7,779,000	7,711,000
Weighted Average Number Diluted Shares Outstanding Adjustment	0	89,000
Weighted average common and potentially issuable common shares outstanding — diluted	7,779,000	7,800,000
Earnings Per Share, Basic	$ (0.49)	$ 0.07
Earnings Per Share, Diluted	$ (0.49)	$ 0.07

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