Whoever knowingly receives, from a clerk or other officer of a court of the United States, as a deposit, loan, or otherwise, any money belonging in the registry of such court, is guilty of embezzlement, and shall be fined under this title or not more than the amount embezzled, whichever is greater, or imprisoned not more than ten years, or both; but if the amount embezzled does not exceed $1,000, he shall be fined under this title or imprisoned not more than one year, or both.