Note 8. Employee Stock Options (Tables)

12 Months Ended

Dec. 31, 2013

Notes to Financial Statements

Summary of stock options issued

	Number of Options Outstanding			Range of Exercise Price		Weighted Average Exercise Price		Aggregate Intrinsic Value
Balance at December 31, 2011		127,500		$	1.70 - $2.32	$	2.07	$	24,590
Options granted		196,000		$	0.01 - $3.33	$	1.37	$	370,750
Options exercised		(25,154	)	$	1.70 - $2.10	$	2.04	$	35,661
Options expired or cancelled		(70,000	)	$	0.01	$	0.01	$	226,800
Options forfeited		(7,750	)	$	1.70 - $3.33	$	2.45	$	6,438
Balance at December 31, 2012		220,596		$	0.01 - $3.33	$	2.09	$	257,835
Options granted		140,000		$	7.76 - $8.25	$	7.90	$	-
Options exercised		(74,360	)	$	0.01 - $3.33	$	2.14	$	405,738
Options forfeited		(5,400	)	$	0.01 - $3.33	$	1.39	$	15,256
Balance at December 31, 2013		280,836		$	0.01 - $8.25	$	4.97	$	1,340,684

Schedule Of Stock Options

						Options Outstanding		Options Exercisable
Exercise Price		Number		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in Years)		Number
$	0.01 - $1.00		27,300	$	0.01		8.05		27,300
$	1.01 - $2.00		13,650	$	1.73		7.40		13,650
$	2.01 - $3.00		80,736	$	2.49		6.15		48,236
$	3.01 - $4.00		19,150	$	3.33		8.25		19,150
$	7.01 - $8.00		100,000	$	7.76		7.34		6,251
$	8.00 - $8.25		40,000	$	8.25		4.64		5,000
Total			280,836	$	4.97		7.58		119,587

Schedule of Stock Options, Valuation Assumptions

	Year ended  December 31, 2013			Year ended  December 31, 2012
Expected dividend yield		1.16	%		0	%
Expected stock price volatility		125	%		131	%
Weighted-average risk-free interest rate		1.77	%		0.98	%
Weighted-average expected life of options (in years)		6.0			5.5