SHAREHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Common Stock [Abstract]
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares outstanding (in shares)	20,197,301	19,654,050
Common stock voting rights	common stock are entitled to one vote for each share held
Number of shares authorized to repurchase (in shares)	1,000,000
Extension period authorized under stock repurchase program	12 months
Preferred Stock [Abstract]
Preferred stock, shares authorized (in shares)	10,000,000
Preferred stock, par value (in dollars per share)	$ 0
Preferred stock, shares issued (in shares)	0
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased (in shares)	0
Components of the Company's stock based compensation included in net income [Abstract]
Income tax benefit	$ (309,607)	$ (193,442)
Total	1,368,500	823,636
Weighted average assumptions for stock options [Abstract]
Dividend yield (in hundredths)	0.00%
Employee Stock Options [Member]
Components of the Company's stock based compensation included in net income [Abstract]
Allocated share-based compensation expense	791,833	483,534
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased (in shares)	190,787
Remaining number of shares authorized to be repurchased (in shares)	809,213
Equity Compensation Plans [Abstract]
Stock options outstanding (in shares)	1,204,297	1,147,847
Components of the Company's stock based compensation included in net income [Abstract]
Stock-based compensation capitalized as a cost of inventory	0	0
Shares [Roll Forward]
Outstanding, Beginning Balance (in shares)	1,147,847	1,157,579
Granted (in shares)	436,002	146,136
Exercised (in shares)	(197,848)	(85,768)
Forfeited (in shares)	(101,831)	(44,098)
Expired (in shares)	(79,873)	(26,002)
Outstanding, Ending Balance (in shares)	1,204,297	1,147,847
Weighted Average Exercise Price [Roll Forward]
Outstanding, Beginning Balance (in dollars per share)	$ 2.31	$ 2.16
Granted (in dollars per share)	$ 4.59	$ 4.02
Exercised (in dollars per share)	$ 2.13	$ 1.85
Forfeited (in dollars per share)	$ 2.47	$ 2.71
Expired (in dollars per share)	$ 2.36	$ 6.28
Outstanding, Ending Balance (in dollars per share)	$ 3.14	$ 2.31
Fair value of stock options (in dollars per share)	$ 3.25	$ 2.84
Fair value of stock options vested	691,000	439,000
Weighted average assumptions for stock options [Abstract]
Dividend yield (in hundredths)	0.00%	0.00%
Expected volatility (in hundredths)	92.90%	92.80%
Risk-free interest rate (in hundredths)	1.01%	0.82%
Expected lives (years)	5 years	5 years
Options Outstanding [Abstract]
Balance as of 12/31/2012 (in shares)	1,204,297	1,147,847
Weighted Average Remaining Contractual Life (Years)	7 years 9 months 7 days
Weighted Average Exercise Price (in dollars per share)	$ 3.14	$ 2.31
Options Exercisable [Abstract]
Balance as of 12/31/2012 (in shares)	750,743
Weighted Average Remaining Contractual Life (Years)	7 years 0 months 14 days
Weighted Average Exercise Price (in dollars per share)	$ 2.49
Options Vested or Expected to Vest [Abstract]
Balance as of 12/31/2012 (in shares)	1,154,613
Weighted Average Remaining Contractual Life (Years)	7 years 8 months 12 days
Weighted Average Exercise Price (in dollars per share)	$ 3.08
Unrecognized stock-based compensation expense related to unvested awards	1,080,000
Total compensation cost not yet recognized, period for recognition	26 months
Aggregate intrinsic value of stock options outstanding	2,490,000
Aggregate intrinsic value of stock options exercisable	2,020,000
Aggregate intrinsic value of stock options vested and expected to vest	2,450,000
Aggregate intrinsic value of stock options exercised	819,000	188,000
Restricted Stock [Member]
Components of the Company's stock based compensation included in net income [Abstract]
Allocated share-based compensation expense	886,274	533,544
Options Vested or Expected to Vest [Abstract]
Unrecognized stock-based compensation expense related to unvested awards	$ 957,000
Total compensation cost not yet recognized, period for recognition	24 months
Shares [Roll Forward]
Unvested, Beginning Balance (in shares)	191,843	239,389
Granted (in shares)	345,403	114,843
Vested (in shares)	(186,343)	(162,389)
Canceled (in shares)	0	0
Unvested, Ending Balance (in shares)	350,903	191,843
Weighted Average Grant Date Fair Value [Roll Forward]
Unvested, Beginning Balance (in dollars per share)	$ 3.38	$ 2.92
Granted (in dollars per share)	$ 4.48	$ 3.68
Vested (in dollars per share)	$ 3.76	$ 2.91
Canceled (in dollars per share)	$ 0	$ 0
Unvested, Ending Balance (in dollars per share)	$ 4.26	$ 3.38
Restricted Stock [Member] | Maximum [Member]
Equity Compensation Plans [Abstract]
Vesting period	3 years
1997 Omnibus Stock Plan [Member]
Equity Compensation Plans [Abstract]
Vesting period	3 years
Share based payment award expiration term	10 years
Stock options outstanding (in shares)	20,051
Shares [Roll Forward]
Outstanding, Beginning Balance (in shares)	25,685
Outstanding, Ending Balance (in shares)	20,051
Options Outstanding [Abstract]
Balance as of 12/31/2012 (in shares)	20,051
1997 Omnibus Stock Plan [Member] | Board of Directors [Member]
Equity Compensation Plans [Abstract]
Vesting period	1 year
1997 Omnibus Stock Plan [Member] | Independent Contractors [Member] | Maximum [Member]
Equity Compensation Plans [Abstract]
Share based payment award expiration term	10 years
2008 Stock Incentive Plan [Member]
Equity Compensation Plans [Abstract]
Share-based payment award, number of shares authorized (in shares)	3,000,000
Vesting period	3 years
Share based payment award expiration term	10 years
Stock options outstanding (in shares)	1,186,846
Shares [Roll Forward]
Outstanding, Beginning Balance (in shares)	1,122,162
Outstanding, Ending Balance (in shares)	1,186,846
Options Outstanding [Abstract]
Balance as of 12/31/2012 (in shares)	1,186,846
2008 Stock Incentive Plan [Member] | Board of Directors [Member]
Equity Compensation Plans [Abstract]
Vesting period	1 year
2008 Stock Incentive Plan [Member] | Independent Contractors [Member] | Maximum [Member]
Equity Compensation Plans [Abstract]
Share based payment award expiration term	10 years
Executive Compensation Plan [Member]
Equity Compensation Plans [Abstract]
Vesting period	3 years