|
Note 10 - Commitments (Detail) (USD $)
|
3 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2012
|
Sep. 30, 2012
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2012
Paid [Member]
Co-Development Agreement [Member]
|
Dec. 31, 2012
Paid [Member]
Master Services and Software License Agreement [Member]
|
Dec. 31, 2012
Unpaid [Member]
Master Services and Software License Agreement [Member]
|
Dec. 31, 2012
Co-Development Agreement [Member]
|
Dec. 31, 2012
Shared Research Agreements [Member]
|
Dec. 31, 2012
Master Services and Software License Agreement [Member]
Previous Purchase [Member]
|
Dec. 31, 2012
Master Services and Software License Agreement [Member]
Additional Purchase [Member]
|
Dec. 31, 2012
Master Services and Software License Agreement [Member]
|
Sep. 30, 2012
Master Services and Software License Agreement [Member]
|
Dec. 31, 2012
Cardiac EP Business Participation Plan [Member]
|
Jun. 30, 2010
Cardiac EP Business Participation Plan [Member]
|
|
| Operating Leases, Rent Expense | $ 145,000 | $ 174,000 | $ 181,000 | |||||||||||||
| Contractual Obligation | 1,373,889 | 100,000 | 200,000 | 2,476,000 | 238,000 | 300,000 | ||||||||||
| Accounts Payable, Current | 1,961,195 | 4,037,168 | 599,000 | |||||||||||||
| Stock Issued During Period, Shares, Purchase of Assets (in Shares) | 1,500,000 | |||||||||||||||
| License Costs | 612,500 | 87,500 | ||||||||||||||
| Purchase Commitment, Remaining Minimum Amount Committed | 962,500 | |||||||||||||||
| Other Inventory, Noncurrent | 1,137,500 | 1,137,500 | ||||||||||||||
| Equity Method Investment, Ownership Percentage | 3.70% | 6.60% | ||||||||||||||
| Bonus Payment to Each Participant in Key Personnel Incentive Program upon a Sale Transaction | 1,000,000 | |||||||||||||||
| Incentive Bonus Payment to One of the Participants as a Percentage of Net Proceeds from the Sale Transaction | 1.40% | |||||||||||||||
| Net Proceeds from the Sale Transaction, Threshold Amount | 50,000,000 | |||||||||||||||
| Maximum Additional Incentive Bonus Payment to One Participant | 700,000 | |||||||||||||||
| Other Operating Income (Expense), Net | $ 120,895 | $ 882,537 | $ 882,537 | |||||||||||||