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Stockholders' Equity (Details Textual) - USD ($) |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 08, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Feb. 16, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016 | Nov. 21, 2017 | Nov. 10, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  | 1,424,491 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,424,491 |  |  |  |  | 1,874,513 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years 7 months 10 days |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |  | $ 2,377,376 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,377,376 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value |  | 2,304,710 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,304,710 |  |  |  |  |  |
Stock or Unit Option Plan Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,233 |  | $ 0 |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options |  | $ 73,353 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 73,353 |  |  |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 332,529 |  | $ 366,291 |  |  |  |
Stock Repurchase Program, Authorized Amount | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares |  | 14,050 | [1] | 19,750 | [1] | 52,300 | [1] | 34,800 | [1] | 109,000 | 7,250 | [1] |  | 54,200 | [1] | 25,508 | [1] | 120,900 | [1] | 195,958 | [1] |  |  |
Stock Repurchased During Period, Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 152,739 |  | $ 199,328 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 807,000 |  | 630,117 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 451,475 |  | $ 375,244 |  |  |  |
Proceeds from Stock Options Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 451,475 |  | $ 263,870 |  |  |  |
Stock Repurchased Average Price Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.26 |  | $ 1.02 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares |  |  |  |  |  |  |  |  |  | 40,387 |  |  |  |  |  |  |  |  |  | 40,387 |  |  |  |
Treasury Stock Acquired, Average Cost Per Share |  | $ 1.73 |  | $ 1.29 |  | $ 1.21 |  | $ 1.14 |  | $ 1.00 | $ 1.10 |  | $ 2.00 | $ 1.03 |  | $ 1.04 |  | $ 1.26 |  | $ 1.02 |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  | $ 250,216 |  | $ 274,523 |  | $ 0 |  | $ 0 |  | $ 0 | $ 0 |  |  | $ 0 |  | $ 0 |  | $ 250,216 |  | $ 0 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  | 1,985,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,985,000 |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,900 |  | 195,958 |  |  |  |
Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
StockOptionsFairValueBeforeAndAfterModificationChangeValue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 82,430 |  |  |  |
Employees And Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 807,000 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 455,040 |  | $ 362,531 |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock or Unit Option Plan Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 783,574 |  |
Stock Issued During Period, Shares, Restricted Stock Award, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 423,107 |  |  |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 467,952 |  |  |  | 1,286,474 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,303,687 |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options |  | $ 360,160 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 360,160 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 214,324 |  | 0 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (188,203) |  | $ 0 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  | 416,619 |  |  |  |  |  |  |  | 513,194 |  |  |  |  |  |  |  | 416,619 |  | 513,194 |  | 706,642 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Fair Value |  | $ 360,160 |  |  |  |  |  |  |  | $ 412,938 |  |  |  |  |  |  |  | $ 360,160 |  | $ 412,938 |  | $ 502,629 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 332,527 |  | $ 366,291 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 423,107 |  | 269,510 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants In Period, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 467,952 |  | $ 276,600 |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000
Minimum [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Price Per Share |  | $ 1.02 |  |  |  |  |  |  |  | $ 0.97 |  |  |  |  |  |  |  | $ 1.02 |  | $ 0.97 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,000,000
Treasury Stock Acquired, Average Cost Per Share | $ 2.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Price Per Share |  | $ 1.59 |  |  |  |  |  |  |  | $ 1.14 |  |  |  |  |  |  |  | $ 1.59 |  | $ 1.14 |  |  |  |
[1] | Consists of shares of common stock purchased from employees to satisfy tax obligations in connection with the vesting of stock incentive awards.

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- Definition The fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References No definition available. + Details
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- Definition The fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References No definition available. + Details
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- Definition The fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References No definition available. + Details
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- Definition The Stock Options Fair Value Before and After Modification Change Value change. + References No definition available. + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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