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Subsequent Event - Additional Information (Detail) (USD $) | 0 Months Ended | 12 Months Ended |  |  |  |  |  | 1 Months Ended |  |  | 1 Months Ended
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Oct. 15, 2013 | Jan. 31, 2014 | Jan. 31, 2013 | Dec. 20, 2013 | Oct. 29, 2012 | Jan. 31, 2012 | Oct. 16, 2009 | Jan. 31, 2013 Maverick Amended Loan Agreement [Member] | Feb. 21, 2013 8% Senior Subordinated Convertible Promissory Note | Mar. 28, 2014 Subsequent Event | Mar. 28, 2014 Subsequent Event Revolving Loan [Member] | Mar. 28, 2014 Subsequent Event Term Loan [Member] | Mar. 28, 2014 Subsequent Event Credit Agreement Warrants 1,000,000 [Member] | Mar. 28, 2014 Subsequent Event Credit Agreement Warrants 2,000,000 [Member] | Mar. 28, 2014 Subsequent Event Hosseinion Employment Agreement [Member] | Mar. 28, 2014 Subsequent Event Hosseinion Hospitalist Participation Agreement [Member] | Jul. 31, 2013 Subsequent Event ACC Amended Loan Agreement [Member] | Sep. 30, 2013 Subsequent Event AH Amended Loan Agreement [Member] | Mar. 28, 2014 Subsequent Event Convertible Debt [Member] | Mar. 28, 2014 Subsequent Event Equity and Debt Financing [Member]
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Amount |  |  |  |  |  |  |  |  | $ 150,000 |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  |  |  |  |  |  | 106,000 |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued |  |  |  |  |  |  |  |  | 182,000 |  |  |  |  |  |  |  |  |  |  |
Available-for-sale Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,000,000
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000
Share Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.00
Stock Issued During Period, Shares, Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  | 25,000 |  |  |  |  |  | 1,000,000 | 2,000,000 |  |  |  |  | 1,000,000 | 1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | 0.125 |  |  | 0.11485 | 0.11485 |  |  |  | 2.00 |  |  | 1.00 |  |  |  |  |  | 1.00 | 1.00
Debt Conversion, Original Debt, Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |
Debt Instrument, Convertible, Conversion Price |  |  | $ 0.125 | $ 0.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.00 |
Debt Conversion, Description |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The Convertible Note contains anti-dilution protection provisions in favor of NNA, including, if there is a dilutive issuance, the conversion ratio is adjusted to reflect the difference in price below $1.00, if any such issuance is below $0.90 per share. |
Proceeds From Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |
Proceeds From Convertible Debt Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |
Debt Instrument Funding Fee Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |
Secured Debt |  |  |  |  |  |  |  |  |  |  | 1,000,000 | 7,000,000 |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |
Debt Instrument Quarterly Periodic Payment Principal Year One |  |  |  |  |  |  |  |  |  |  |  | 87,500 |  |  |  |  |  |  |  |
Debt Instrument Quarterly Periodic Payment Principal Year Two |  |  |  |  |  |  |  |  |  |  |  | 122,500 |  |  |  |  |  |  |  |
Debt Instrument Quarterly Periodic Payment Principal Year Three |  |  |  |  |  |  |  |  |  |  |  | 122,500 |  |  |  |  |  |  |  |
Debt Instrument Quarterly Periodic Payment Principal Year Four |  |  |  |  |  |  |  |  |  |  |  | 175,000 |  |  |  |  |  |  |  |
Debt Instrument Quarterly Periodic Payment Principal Year Five |  |  |  |  |  |  |  |  |  |  |  | 210,000 |  |  |  |  |  |  |  |
Upfront Fee |  |  |  |  |  |  |  |  |  |  |  | 80,000 |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |  |
Debt Instrument, Description of Variable Rate Basis |  |  |  |  |  |  |  |  |  |  | (i) LIBOR and (ii) six percent, per annum. |  |  |  |  |  |  |  |  |
Line of Credit Facility, Amount Outstanding | 3,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term Debt, Refinanced, Amount | 3,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Warrants |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance Of Warrants Year |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable |  |  |  |  |  |  |  |  |  | Mar. 28, 2017 |  |  |  |  |  |  |  |  |  |
Class Of Warrant Or Rights Expiration Date Of Warrants |  |  |  |  |  |  |  |  |  | Mar. 28, 2021 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total |  | 3,085,000 | 4,225,000 |  |  |  |  |  |  |  |  |  | 10,000 | 100 |  |  |  |  |  |
Percentage Of Fully Diluted Capital Stock |  |  |  |  |  |  |  |  |  | 13.00% |  |  |  |  |  |  |  |  |  |
Base Salary |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 | 195,000 |  |  |  |
Allowance For Car And Communication |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55,000 |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  |
Equity, Fair Value Adjustment |  |  |  |  |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  | $ 1,000,000 | $ 10,000,000 |  |

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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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