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v2.4.1.9

NOTE, WARRANT, & COMMON STOCK PURCHASE AGREEMENT (Details Textual) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |
Common Stock, Shares, Issued | 5,361,000 us-gaap_CommonStockSharesIssued | 4,609,000 us-gaap_CommonStockSharesIssued
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 2.20 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 |
Mevion Medical Systems Inc [Member] |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |
Cash Payments | $ 1,000,000 ams_CashPayments / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = ams_MevionMedicalSystemsIncMember |
Private Placement [Member] |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |
Sale of Stock, Number of Shares Issued in Transaction | 100,000 us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Proceeds from Issuance of Private Placement | 220,000 us-gaap_ProceedsFromIssuanceOfPrivatePlacement / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Common Stock, Value, Subscriptions | 1,220,000 us-gaap_CommonStockSharesSubscriptions / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Stock Issued During Period, Shares, New Issues | 650,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Stock Issued During Period, Value, New Issues | 1,600,000 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Note and Warrant Purchase Agreement [Member] |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |
Debt Instrument, Face Amount | $ 1,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_SubsidiarySaleOfStockAxis = ams_NoteAndWarrantPurchaseAgreementMember |
Common Stock, Shares, Issued | 200,000 us-gaap_CommonStockSharesIssued / us-gaap_SubsidiarySaleOfStockAxis = ams_NoteAndWarrantPurchaseAgreementMember |
Debt Instrument, Interest Rate, Stated Percentage | 15.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_SubsidiarySaleOfStockAxis = ams_NoteAndWarrantPurchaseAgreementMember |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 2.20 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = ams_NoteAndWarrantPurchaseAgreementMember |
Debt Instrument, Maturity Date | Oct. 22, 2017 |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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