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6. STOCK BASED COMPENSATION (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Number of options
Outstanding at beginning of period	192,971		222,971
Granted	0		0
Exercised	(27,971)	(8,000)	(57,971)	(15,200)
Forfeited	0		0
Outstanding at end of period	165,000		165,000
Weighted average Price
Outstanding at beginning of period	$ 3.72		$ 3.79
Granted	0		0
Exercised	4.24		4.24
Forfeited	0		0
Outstanding at end of period	$ 3.64		$ 3.64

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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