Stockholders' Equity (Tables)

6 Months Ended

Jul. 01, 2017

Stockholders' Equity

Schedule of restricted share awards activity

		Weighted
		Average Grant
	Number	Date Fair Value
Nonvested balance at December 31, 2016	8,333	$	12.78
Granted	—	$	—
Vested and released	(8,333)	$	12.78
Forfeited	—	$	—
Nonvested balance at July 1, 2017	—	$	—

Summary of restricted stock units activity

		Weighted
		Average Grant
	Number	Date Fair Value
Nonvested balance at December 31, 2016	541,346	$	8.40
Granted	485,554	$	4.05
Vested and released	(159,910)	$	9.16
Forfeited	(39,208)	$	10.26
Nonvested balance at July 1, 2017	827,782	$	5.62

Summary of stock option activity

				Aggregate		Weighted Average
		Weighted		Intrinsic Value		Remaining
	Options	Average		(in-the-money		Contractual Life
	Outstanding	Exercise Price		options)		(in years)
Outstanding at December 31, 2016	567,602	$	5.23
Granted	—	$	—
Exercised	—	$	—
Forfeited or expired	(13,687)	$	10.37
Outstanding at July 1, 2017	553,915	$	5.10	$	473,948	3.8

Summary of stock options outstanding and exercisable

						Weighted
						Average
						Remaining	Weighted			Weighted
						Contractual	Average			Average
Range of					Options	Life	Exercise		Options	Exercise
Exercise Prices					Outstanding	(in years)	Price		Exercisable	Price
$	1.70	-	$	1.86	138,600	1.3	$	1.75	138,600	$	1.75
$	2.4	-	$	4.16	156,450	3.1	$	3.55	156,450	$	3.55
$	4.28	-	$	7.21	213,400	5.4	$	6.88	191,300	$	6.84
$	7.61	-	$	13.21	45,465	6.3	$	12.36	34,465	$	12.37
					553,915	3.8	$	5.10	520,815	$	4.86