Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Information

The following table sets forth our unaudited quarterly consolidated statements of operations for each of the last four quarters for the periods ended December 31, 2016 and 2015. This unaudited quarterly information has been prepared on the same basis as our annual audited financial statements and includes all adjustments, consisting only of normal recurring adjustments that are necessary to present fairly the financial information for the fiscal quarters presented.

2016:	First Quarter		Second Quarter			Third Quarter			Fourth Quarter
Revenue	$	10,359	$	8,494		$	10,927		$	29,451
Cost of goods sold		5,337		6,531			5,931			8,770
Operating expenses		2,188		2,214			2,461			5,408
Net income (loss)		382		(2,349	)		(95	)		12,441
Earnings per share, basic		0.02		(0.11	)		—			0.40
Earnings per share, diluted		0.01		(0.11	)		—			0.40
Weighted average number of shares outstanding, basic		22,135		22,169			22,189			30,952
Weighted average number of shares outstanding, diluted		26,410		22,169			22,189			31,210

2015:	First Quarter		Second Quarter			Third Quarter			Fourth Quarter
Revenue	$	13,071	$	10,437		$	9,025		$	15,165
Cost of goods sold		7,804		4,467			4,865			3,867
Operating expenses		2,739		2,805			2,314			2,254
Net income (loss)		203		726			1,796			2,265
Earnings per share, basic		0.01		0.03			0.08			0.10
Earnings per share, diluted		0.01		0.03			0.07			0.09
Weighted average number of shares outstanding, basic		22,039		22,092			22,112			22,114
Weighted average number of shares outstanding, diluted		26,411		26,410			26,388			26,400