Stock Options and Awards (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Stock options and awards (Textual)
Common stock authorize under equity compensation plan	750,000
Stock awards granted	128,000	121,000
Common stock available for future issuance under Equity Compensation Plan	130,000
Stock based compensation attributable to stock award	$ 356,000	$ 306,000
Stock option exercised	145,000
Number of shares withhold in connection with net exercise feature of options	14,633	42,838
Shares issued to option holders shares	130,367obci_SharesIssuedToOptionHoldersShares
Term of previously non-qualified options granted	10 years
Termination period of previously non-qualified options	Apr. 25, 2020
Compensation cost attributable to stock options	0	12,000
Unrecognized compensation expense related to unvested share based compensation arrangements

Common stock authorizes under equity compensation Plan.

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Common stock available for future issuance under equity compensation plan.

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Number of shares withhold in connection with exercise feature of options.

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Shares issued to option holders shares.

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- Definition

Stock based compensation attributable to stock award.

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Termination date of previously non-qualified options.

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Term Of Previously non-qualified options.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Unrecognized cost of unvested options awarded to employees as compensation.

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Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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