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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Shareholders' Equity

Summary of Stock-Based Compensation Expense

Year ended December 31		2015			2014
Cost of sales		$	34,000		$	6,000
Selling		69,000			87,000
Marketing		15,000			12,000
General and administrative		235,000			298,000
		$	353,000		$	403,000

Schedule of Weighted Average Assumptions

		2015		2014
Stock Options:
Expected life (years)		3.4		3.6
Expected volatility		45	%	50	%
Dividend yield		0	%	0	%
Risk-free interest rate		1.2	%	1.0	%

		2015		2014
Stock Purchase Plan Options:
Expected life (years)		1.0		1.0
Expected volatility		37	%	50	%
Dividend yield		0	%	0	%
Risk-free interest rate		0.3	%	0.1	%

Summary of Activity Under Stock Option Plans

		Plan Shares Available for Grant		Plan Options Outstanding		Weighted Average Exercise Price Per Share			Aggregate Intrinsic Value
Balance at December 31, 2013		95,968		1,251,442		$	2.72
Shares reserved		650,000		—
Stock awards granted		(29,701	)	—
Restricted stock units granted		(25,000	)	—
Stock options granted		(426,000	)	426,000		3.02
Stock options exercised		—		(155,407	)	1.94			$	217,694
Cancelled or forfeited - 2013 Plan		42,500		(42,500	)	3.03
Cancelled of forfeited - 2003 Plan		—		(224,458	)	2.95
Balance at December 31, 2014		307,767		1,255,077		2.86
Shares reserved		200,000		—
Stock awards granted		(37,233	)	—
Restricted stock units granted		(99,000	)	—
Stock options granted		(200,000	)	200,000		2.82
Stock options exercised		—		(113,837	)	1.90			$	105,012
Cancelled or forfeited - 2013 Plan		279,000		(279,000	)	2.87
Cancelled or forfeited - 2013 Plan restricted stock units		27,000		—		2.89
Cancelled of forfeited - 2003 Plan		—		(167,079	)	4.13
Balance at December 31, 2015		477,534		895,161		2.73

Schedule Of The Number Of Options Exercisable

December 31, 2015		653,840
December 31, 2014		710,598

Summary Of Information About Stock Options Outstanding

		Options Outstanding							Options Exercisable
Ranges of Exercise Prices		Number Outstanding		Weighted Average Remaining Contractual Life		Weighted Average Exercise Price Per Share			Number Exercisable		Weighted Average Exercise Price Per Share
$1.61 - $2.46		363,997		6.57 years		$	1.78		352,331		$	1.76
$2.79 - $4.22		480,164		7.73 years		3.16			250,509		3.35
$5.49		51,000		4.41 years		5.49			51,000		5.49
		895,161		7.06 years		$	2.73		653,840		$	2.66

Summary of Restricted stock unit transactions

		Number of Shares		Weighted average grant date fair value
Unvested shares at January 1, 2014		—		$	—
Granted		25,000		3.03
Vested		—		—
Forfeited or surrendered		—		—
Unvested shares at December 31, 2014		25,000		$	3.03
Granted		99,000		2.71
Vested		(8,334	)	3.03
Forfeited or surrendered		(27,000	)	2.89
Unvested shares at December 31, 2015		88,666		2.72

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